[Answer] In 1958, The Champs released what one-word hit song?

Step 1 : Introduction to the question "In 1958, The Champs released what one-word hit song?"

...Tequila by The Champs became one of the most recognizable instrumental hits of the 1950s. The song is famous for featuring only a single spoken word — “Tequila” — repeated three times during the track. Released in 1958, the upbeat Latin-inspired instrumental unexpectedly climbed to No. 1 on the Billboard charts and later won the very first Grammy Award ever presented for Best R&B Performance. The catchy saxophone riff and simple vocal hook helped make the song a lasting classic that has appeared in countless movies and television shows.

[Answer] Which famous musician is television personality Al Roker’s cousin?

Step 1 : Introduction to the question "Which famous musician is television personality Al Roker’s cousin?"

...Al Roker and Lenny Kravitz are cousins through Roker’s mother and Kravitz’s mother, actress Roxie Roker, who were closely related family members. Roxie Roker was best known for playing Helen Willis on the classic television sitcom The Jeffersons. Lenny Kravitz later became one of the most successful rock musicians of his generation, winning four consecutive Grammy Awards for Best Male Rock Vocal Performance between 1999 and 2002. The relationship became public knowledge in 2011 when Kravitz made an appearance on the Today show.

[Answer] What makes the state flag of Oregon unique among all U.S. state flags?

Step 1 : Introduction to the question "What makes the state flag of Oregon unique among all U.S. state flags?"

...Oregon’s state flag is unique because it is the only U.S. state flag with different designs on the front and back sides. The front side prominently features the state seal and the words “State of Oregon” along with the year 1859, when Oregon officially became a state. The reverse side displays a golden beaver, the official state animal and a longtime symbol of Oregon’s early fur trade economy. Most state flags use the same design on both sides, making Oregon’s distinctive double-sided flag especially unusual and highly recognizable in American vexillology.

[Answer] Which man owned the land that became Arlington National Cemetery?

Step 1 : Introduction to the question "Which man owned the land that became Arlington National Cemetery?"

...Arlington National Cemetery is the burial ground for more than 400,000 active duty service members, veterans and family members. The cemetery contains the Tomb of the Unknown Soldier, a monument dedicated to U.S. service members whose remains were never identified. The site is the former home of legendary Confederate General Robert E. Lee. The cemetery was established during the Civil War on the grounds of Arlington House, which had been the estate of Robert E. Lee and his wife Mary Anna Custis Lee. After the Lees abandoned the property at the start of the Civil War, the U.S. Army seized the estate to defend Washington, D.C.

[Answer] Which U.S. President had his sister initially serve as First Lady?

Step 1 : Introduction to the question "Which U.S. President had his sister initially serve as First Lady?"

...Before marrying Frances Folsom in 1886, President Grover Cleveland relied on his sister, Rose Cleveland, to serve as First Lady during the early part of his presidency. Rose Cleveland was highly educated and intellectually respected, though she was less interested in the social and ceremonial duties traditionally associated with the role. After Grover Cleveland married Frances Folsom at the White House, Frances became First Lady at just 21 years old, making her the youngest and most admired First Ladies in American history.