user: Question: What was the Vanwall time/retired with 49 laps?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Stirling Moss', 'Vanwall', 87.0, '2:35:03.9', 2.0]
SQL:

assistant: SELECT "Time/Retired" FROM "Table" WHERE "Laps" = 49.0 AND "Constructor" = 'Vanwall';