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

Example Input: Which English king was married to Eleanor of Castile?
Example Output: eleanor of castile

Example Input: What was the name of the 1963 Disney live action movie, where 3 animals ventured to get themselves home?
Example Output: walt disney pictures

Example Input: Which is the main island of the Greek group the Dodecanese?
Example Output:
dodecanese