Conversation so far:
Did Dimitri make Dimitri Tiomkin's first film for Capra?
Tiomkin received his first break from Columbia director Frank Capra.
What was the name of his first film?
picked him to write and perform the score for Lost Horizon (1937).
Did he do any other films during 1937 to 1946?
his autobiography, Please Don't Hate Me! (1959), Tiomkin recalls how the assignment by Capra forced him to first confront a director in a matter of music style.
where there any other films he did?
He worked on other Capra films during the following decade, including the comedy You Can't Take It With You (1938).
When did he quit working for Capra?
CANNOTANSWER.

Question: Do you know how many films he did for this Capra?
Self-contained rewrite: Do you know how many films Dimitri Tiomkin did for Frank Capra?