user: Question: Which event led to a Loss against Josh Diekman?
Columns: ['Res.', 'Record', 'Opponent', 'Method', 'Event', 'Round', 'Location']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Loss', '11-9', 'Branden Lee Hinkle', 'TKO (punches)', 'DFL 1 - The Big Bang', '1', 'Atlantic City, New Jersey , United States']
SQL:

assistant: SELECT "Event" FROM "Table" WHERE "Res." = 'Loss' AND "Opponent" = 'Josh Diekman';