Input question: The first public opera house opened in 1637 in which European city?

Output answer: venice

Input question: Which chemical element is named after the Greek for 'hidden one' ?

Output answer: krypton

Input question: What is the name of the saxophone player in the Muppet rock band, which appear on the television show 'The Muppets'?

Output answer: zoot

Input question: US-born Adulyadej Bhumibol became king of which Asian country?

Output answer:
thailand