Conversation so far:
What is the whereabouts of the Hattie McDaniel's Oscar?
The whereabouts of Hattie McDaniel's Oscar is currently unknown.
What happened to Hattie McDaniel's Oscar?
In 1992, Jet magazine reported that Howard University could not find Hattie McDaniel's Oscar and alleged that it had disappeared during protests in the 1960s.

Question: What was the oscar for?
Self-contained rewrite: What did Hattie McDaniel win the Oscar for?