claim: This British racing driver won the 1992 Indoor Trophy, for the sport that the Williams FW31 is used in. He has raced for 7 different teams and won the European Grand Prix in 1999.
supporting_facts.key: Stewart Grand Prix
supporting_facts.key: Johnny Herbert
supporting_facts.key: Johnny Herbert
supporting_facts.key: 1992 Formula One Indoor Trophy
supporting_facts.key: Williams FW31