Conversation so far:
When was Michele Bachmann born?
She graduated from Anoka High School in 1974.
Did Bachmann go on to further her education after High School?
after graduation, spent one summer working on kibbutz Be'eri in Israel.
What did Bachmann do after her summer in Israel?
In 1978, she graduated from Winona State University with a B.A.
What did Bachmann originally do for her career?
Bachmann worked as a research assistant on Eidsmoe's 1987 book Christianity and the Constitution.

Question: How long was Bachmann a research assistant?
Self-contained rewrite: How long was Bachmann a research assistant?