instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Who bad a number 1 in the 1980's with Circle in the Sand?
answer:
circle in the sand


question:
Which analgesic drug, first isolated in 1804, was named after the Greek god of dreams ?
answer:
analgesic


question:
What long running comic strip, introduced on Oct 2, 1950, was drawn by the same cartoonist, Charles M. Schultz, during its' entire run?
answer:

charles m. schulz