Idea for the Q&A below: The relevant information is: Radio broadcasting became popular in the 1920s, alongside the new film industry.
Q: Radio broadcasting in the United States is a major mass medium. Unlike radio in most other countries, American radio has historically relied primarily on commercial advertising sponsorship on for-profit stations. The U.S. does not have a national broadcaster that aims its programs at the general public. Nonprofit broadcasting typically comes in three forms: radio evangelism, community radio, and government-subsidized public radio, all of which rely at least to some extent on listener donations. Shortwave broadcasting in the United States includes federal government programs, as well as a limited number of privately managed broadcasts, for overseas audiences. Radio broadcasting became popular in the 1920s, alongside the new film industry. The arrival of television in the 1950s forced radio into a niche role, as leading participants moved into the much larger field of television. In the 21st century, radio has been adjusting to the arrival of the Internet and Internet radio.

Answer this question based on the passage: when did radio become popular in the us?
A: the 1920s

Idea for the Q&A below: The relevant information to answer the above question is: More recently, she portrayed the irritating monkey Dexter in the Night at the Museum franchise, and a drug-dealing monkey in The Hangover Part II.
Q: Crystal (born May 6, 1994) is a female capuchin monkey and animal actress, acquired and trained by Birds & Animals Unlimited, Hollywood's largest supplier of animals. Her acting career began as a baby monkey in the 1997 film George of the Jungle. More recently, she portrayed the irritating monkey Dexter in the Night at the Museum franchise, and a drug-dealing monkey in The Hangover Part II. In 2012, she played Dr. Rizzo on the sitcom Animal Practice.

Name of monkey from night at the museum?
A: Dexter

Idea for the Q&A below: This is the relevant information: Written by Newt Gingrich and Dick Armey, and in part using text from former President Ronald Reagan's 1985 State of the Union Address, the Contract detailed the actions the Republicans promised to take if they became the majority party in the United States House of Representatives for the first time in 40 years.
Q: The Contract with America was a document released by the United States Republican Party during the 1994 Congressional election campaign. Written by Newt Gingrich and Dick Armey, and in part using text from former President Ronald Reagan's 1985 State of the Union Address, the Contract detailed the actions the Republicans promised to take if they became the majority party in the United States House of Representatives for the first time in 40 years. Many of the Contract's policy ideas originated at The Heritage Foundation, a conservative think tank.

Answer this question: who authored the contract with america plan for government?
A: Newt Gingrich and Dick Armey

Idea for the Q&A below: To answer the above question, the relevant sentence is: McPartlin and Donnelly first met while working on the BBC children's drama Byker Grove in 1989.
Q: McPartlin and Donnelly first met while working on the BBC children's drama Byker Grove in 1989. After a shaky start, they soon became best friends. They have achieved such popularity as a duo that they are hardly ever seen apart on screen. It is reported that they are each insured against the other's death, with the amount reportedly being around 1,000,000. Their inseparability has led to their receiving joint nominations for many awards. They are both managed by the James Grant Group.

Answer this question based on the passage: when did ant and dec join byker grove?
A: 1989