Conversation so far:
When was Michele Bachmann born?
Bachmann was born Michele Marie Amble in Waterloo, Iowa.
when was she born?
Bachmann was born Michele Marie Amble in Waterloo, Iowa.
did she have any siblings?
CANNOTANSWER.
where did she go to school?
She graduated from Anoka High School in 1974.
did she go to college?
1978, she graduated from Winona State University with a B.A.

Question: what did she study?
Self-contained rewrite: what did Michele Bachmann study at Winona State University?