Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

Example Input: President Lyndon B. Johnson nominated the first African American judge to the US Supreme Court. Who was it?
Example Output: thurgood marshall

Example Input: Who had a 60s No 1 with Lightnin' Strikes?
Example Output: lou christie

Example Input: In the Shakespeare play 'Macbeth', which character carries Macbeth's head on stage?
Example Output:
macduff