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

Example Input: Which hero of science fiction was created by Alex Raymond?
Example Output: alex raymond

Example Input: Olympic gold medallists Vilhelm Carlberg, Gunde Svan, Agneta Andersson, Sixten Jernberg, Tomas Gustafson, Thomas Wassberg, Ingemar Stenmark, Gert Fredriksson, Henri Saint Cyr, Alfred Swahn, Eric Lemming and Oscar Swahn represented which country?
Example Output: ingemar stenmark

Example Input: Which legendary King of Mycenae was murdered by his wife Clytemnestra and her lover Aegisthus?
Example Output:
clytemnestra