Conversation so far:
When did Casey Stengel play for Pittsburgh?
Stengel was traded to the Pittsburgh Pirates in 1918; however, he enlisted in the Navy that summer, for the remainder of World War I.
Was Casey Stengel successful with the Pittsburgh Pirates?
On June 3, 1918, Casey Stengel was ejected for arguing with the umpire, and was fined by the league office for taking off his shirt on the field.
What team did Casey Stengel play for after Pittsburgh?
Dreyfuss traded him to the Philadelphia Phillies for Possum Whitted on August 9, he was batting .293 with four home runs.

Question: How long was he there?
Self-contained rewrite: How long was Casey Stengel there for the Philadelphia Phillies?