Conversation so far:
Which team did Larry Bird play for?
Boston Celtics
Which position did Larry Bird play on the Boston Celtics?
Larry Bird started at small forward and power forward for the Celtics for 13 seasons.
Did Larry Bird play any other positions at any point for the Boston Celtics?

Question: What were his contributions to his team?
Self-contained rewrite: What were Larry Bird's contributions to the Boston Celtics?