Conversation so far:
What is Feyenoord?
Feyenoord Rotterdam is a Dutch professional football club in Rotterdam.
Was the dutch professional football club Feyenoord a wining team?
Feyenoord is one of the most successful clubs in Dutch football, winning 15 Eredivisie titles, 13 KNVB Cups, and 4 Johan Cruyff Shields.

Question: What year did he sign the 4 year contract?
Self-contained rewrite: What year did Robin Van Persie  sign the 4 year contract?