Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

[EX Q]: Joseph Addison and Richard Steele founded (in 1711), and Boris Johnson edited, which British magazine?
[EX A]: boris johnson

[EX Q]: Who wrote and recorded the original version of the song Blue Suede Shoes which was a hit single for Elvis Presley in 1955?
[EX A]: blue suede shoes

[EX Q]: Which actor who had starred in a previous show called Department S went on to have his own series in 1971 called Jason King?
[EX A]:
department s