user: Question: What is Time, when Jockey is John Velazquez, and when Trainer is Todd A. Pletcher?
Columns: ['Year', 'Winner', 'Jockey', 'Trainer', 'Owner', 'Time']
Types: ['real', 'text', 'text', 'text', 'text', 'text']
Sample row: [2007.0, 'Keyed Entry', 'John Velazquez', 'Anthony J. Sciametta, Jr.', 'Starlight Stable et al.', '1:15:72']
SQL:

assistant: SELECT "Time" FROM "Table" WHERE "Jockey" = 'John Velazquez' AND "Trainer" = 'Todd A. Pletcher';