user: Question: How many average Cars Entered have a Third Driver of Manny Ayulo?
Columns: ['Season', 'Cars Entered', 'Winning Driver', 'Second Driver', 'Third Driver', 'Race Report']
Types: ['real', 'real', 'text', 'text', 'text', 'text']
Sample row: [1950.0, 31.0, 'Johnnie Parsons', 'Bill Holland', 'Mauri Rose', 'Report']
SQL:

assistant: SELECT AVG("Cars Entered") FROM "Table" WHERE "Third Driver" = 'Manny Ayulo';