Conversation so far:
Where did Sam Harris grow up?
Los Angeles.
Who were Sam Harris parents?
actor Berkeley Harris and TV producer Susan Harris.
When was Sam Harris born?
April 9, 1967.
Did Sam Harris have any siblings?
CANNOTANSWER.
Where did Sam Harris go to school?
Stanford University.

Question: Did Sam Harris graduate?
Self-contained rewrite: Did Sam Harris graduate from Stanford University?