user: Question: What is the fastest time for the Kentucky Derby race?
Columns: ['Finish', 'Race', 'Distance', 'Jockey', 'Time', 'Grade', 'Runner up/Winner', 'Track']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['4th', "Breeders' Cup Classic", '1 1⁄4 mi', 'Robby Albarado', '1:59.27', 'I', 'Ravens Pass', 'Santa Anita']
SQL:

assistant: SELECT MIN("Time") FROM "Table" WHERE "Race" = 'Kentucky Derby';