Conversation so far:
What team did Harry Wright play in the National Association?
"Boston Red Stockings.
Was he a successful player in the team?
the Red Stockings were an amazing 71-8.
What role did Wright play on his team?
center fielder.

Question: In what year did he play for the Boston Red Stockings?
Self-contained rewrite: In what year did Harry Wright play for the Boston Red Stockings?