Conversation so far:
who was Gretchen Carlson's sexual harassment lawsuit against?
Gretchen Carlson filed a sexual harassment lawsuit against Fox News chairman Roger Ailes.
what year was Gretchen Carlson's sexual harassment lawsuit?
On July 6, 2016, Gretchen Carlson filed a sexual harassment lawsuit.
did anyone act as a witness for Gretchen Carlson in her lawsuit?
After Gretchen Carlson came forward, six more women spoke to Gabriel Sherman of New York magazine, alleging that Roger Ailes had sexually harassed them.
which six women also accused Roger Ailes of sexual harassment?
Kellie Boyle says Roger Ailes propositioned her in 1989, shortly after he helped George H.W. Bush become president. Marsha Callahan says Ailes harassed her in the late ’60s.
how long did Gretchen Carlson's sexual harassment lawsuit go on?
On September 6, 2016, 21st Century Fox announced that it had settled the lawsuit.
did Gretchen Carlson's sexual harassment lawsuit go to trial?
On September 6, 2016, 21st Century Fox announced that it had settled the lawsuit with Gretchen Carlson.

Question: how much was the settlement?
Self-contained rewrite: how much was the settlement in Gretchen Carlson's sexual harassment lawsuit?