Problem: What is the name given to the outermost layer of the Earth?
Answer: crust

Problem: A chinese astronaut is known as what?
Answer: taikonaut

Problem: 'Dr. Who's' assistant played by Karen Gillan is called 'Amy'. What is her surname?
Answer: pond

Problem: Who wrote the music for the ballets 'The Firebird' and 'The Rite of Spring'?
Answer:
igor stravinsky