Conversation so far:
What was Bill Robinson's legacy?
Despite earning and spending a fortune, his memories of surviving the streets as a child never left him, prompting many acts of generosity.
What obstacles did Bill Robinson face?
Robinson was successful despite the obstacle of racism. A favorite Robinson anecdote is that he seated himself in a restaurant and a customer objected to his presence.
What did Bill Robinson do while the customer objected his presence?
Robinson politely illustrated to the manager his right to dine there.
Did Bill Robinson leave?
The manager served Robinson without delay and allowed him to stay.
What were Bill Robinson's other legacies?
Despite earning and spending a fortune, his memories of surviving the streets as a child never left him, prompting many acts of generosity.

Question: what were some of his acts of generosity?
Self-contained rewrite: What were some of Bill Robinson's acts of generosity?