Q: The sieve of Eratosthenes is an ancient method used to find what in mathematics?
What is the answer?

A: prime numbers

Q: What was the title of a 2005 film biography of Johnny Cash, starring Joaquin Phoenix?
What is the answer?

A: walk line

Q: Who won a gold medal at the 2014 Sochi Winter Olympics in the women's skeleton bob?
What is the answer?

A: lizzie yarnold

Q: Yandex, in 2011 probably the largest internet company flotation after Google in 2004, was founded and dominates web searching in which country?
What is the answer?

A:
russia