Conversation so far:
What was the first film that Kay Francis made?
Kay Francis's first film was Gentlemen of the Press
Did Kay Francis make any films after 1931?
Kay Francis starred in The False Madonna in 1932.
What films did Kay Francis make in 1932?
In 1932, Kay Frances made The False Madonna and Trouble in Paradise

Question: How long did she work at Warner Bros?
Self-contained rewrite: How long did Kay Francis work at Warner Bros?