Problem: "What is the more common name for Chopin's ""Waltz in D Flat Major""?"
Answer: minute waltz

Problem: Which ancient Greek mathematician, known as 'The Father Of Geometry', wrote the hugely influential book 'Elements' that dominated European mathematics until the 19th century?
Answer: euclid

Problem: Which mobile phone company was established in 2001 when a Japanese company merged with a Swedish company?
Answer: sony ericsson

Problem: To whom was David Rizzio the secretary, when he was stabbed to death by her husband, Lord Darnley in 1566 at Holyrood House, Edinburgh?
Answer:
mary queen of scots