question: What is the answer: Sheila Hancock was the wife of which deceased actor?
answer: john thaw

question: What is the answer: In Greek mythology, whose wife was Clytemnestra ?
answer: agamemnon

question: What is the answer: What was the name of the oil tanker wrecked off the Isles of Scilly in 1967?
answer: torrey canyon

question: What is the answer: What is lithology the study of?
answer:
rocks