Conversation so far:
How did Hattie McDaniel die?
Hattie McDaniel died of breast cancer at age 59.
How long was Hattie McDaniel sick?
Where did Hattie McDaniel die?
Hattie McDaniel's died in the hospital on the grounds of the Motion Picture House in Woodland Hills, California.

Question: Who was with her when she died?
Self-contained rewrite: Who was with Hattie McDaniel when she died?