Conversation so far:
what was Hack Wilson's early life like?
Lewis Robert Wilson was born April 26, 1900, in the Pennsylvania steel mill town of Ellwood City, north of Pittsburgh.
did Lewis Robert Wilson stay in the Pennsylvania steel mill town of Ellwood City, north of Pittsburgh his whole childhood?
In 1921 Hack Wilson moved to Martinsburg, West Virginia, to join the Martinsburg Mountaineers of the Class D Blue Ridge League.

Question: how long did he stay in West Virginia?
Self-contained rewrite: how long did Hack Wilson stay in West Virginia after he joined the Martinsburg Mountaineers of the Class D Blue Ridge League?