user: Question: What is the grid with a Yamaha manufacturer and a +19.435 time/retired?
Columns: ['Rider', 'Manufacturer', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Loris Capirossi', 'Ducati', '22', '43:40.145', '2']
SQL:

assistant: SELECT "Grid" FROM "Table" WHERE "Manufacturer" = 'Yamaha' AND "Time/Retired" = '+19.435';