user: Question: What's the lowest grid with and entrant of Fred Saunders?
Columns: ['Driver', 'Entrant', 'Constructor', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Peter Gethin', 'Yardley-BRM', 'BRM', '19:54.4', 2.0]
SQL:

assistant: SELECT MIN("Grid") FROM "Table" WHERE "Entrant" = 'Fred Saunders';