Conversation so far:
Who were the other candidates running against Recep Tayyip Erdoğan during the 2002 election?
Candidates that ran against Recep Tayyip Erdoğan included: Deniz Baykal, Tansu Çiller, Devlet Bahçeli, Cem Uzan, and 14 others.

Question: What party was he running with?
Self-contained rewrite: Which party was Recep Tayyip Erdogan running with during the 2002 election?