Conversation so far:
Where was Jennifer Granholm born?
Vancouver, British Columbia, Canada
When was Jennifer Granholm born?
02/05/1959
Does Jennifer Granholm have siblings?
Bob Granholm
Where did Jennifer Granholm attend school?
She graduated from San Carlos High School and briefly attempted an acting career
Did Jennifer Granholm attend college?
She then enrolled at the University of California, Berkeley, the first person in her family to do so, joining Phi Beta Kappa and graduating in 1984

Question: What did she study?
Self-contained rewrite: What did Jennifer Granholm study?