Conversation so far:
What is Feyenoord?
signed a three-and-a-half-year professional contract with Feyenoord.
Was Feyenoord a wining team?
CANNOTANSWER.

Question: What year did he sign the 3 year contract?
Self-contained rewrite: What year did Robin van Persie sign the 3 year contract with Feyenoord?