Question: When did construction begin on the stadium that hosted the K-1 World Grand Prix 2003 Final?
Sentence (from "K-1 World Grand Prix 2003 Final"): The eight finalists had almost all qualified via preliminary events, while two additional fighters were invited as reserve fighters (for more detail on this see bulleted list below), with all bouts being fought under K-1 Rules (100 kg/156-220 lbs).
Relevant evidence: No