Problem: Name the 1959 instrumental piece by The Dave Brubeck Quartet - arguably the first ever mainstream jazz hit record - whose title referred to its unusual 5/4 time-signature?
Answer: take five

Problem: Which American jazz singer was known as 'Lady Day'?
Answer: billie holliday

Problem: The blend of tea known as Earl Grey was named after someone in what profession?
Answer: british prime minister

Problem: "What did Ellen MacArthur achieve with ""B&Q;/Castorama"" on 7 February 2005?"
Answer:
broke world record for fastest solo circumnavigation of globe