claim: Sledgehammer was first performed live in the summer of 2014.
evidence: The 1997 du Maurier Classic was contested from July 31 to August 3 at Glen Abbey Golf Course .. Glen Abbey Golf Course. Glen Abbey Golf Course. du Maurier Classic. du Maurier Classic. It was the 25th edition of the du Maurier Classic , and the 19th edition as a major championship on the LPGA Tour .. du Maurier Classic. du Maurier Classic. This event was won by Colleen Walker .. Colleen Walker. Colleen Walker