Conversation so far:
When did Marian Anderson die?
Marian Anderson died on April 8, 1993.
What killed Marian Anderson?
Marian Anderson died of congestive heart failure.
What did Marian Anderson do before dying?
Marian Anderson retired from singing in 1965.
Did Marian Anderson get any awards?
Marian Anderson was awarded the Presidential Medal of Freedom in 1963.

Question: What award did she get apart from that?
Self-contained rewrite: What award did Marian Anderson get apart from the Presidential Medal of Freedom?