user: Question: What is the average grid that has a Constructor of brm, tony maggs, and a Laps larger than 102?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Lorenzo Bandini', 'Ferrari', 105.0, '2:06:18.23', 7.0]
SQL:

assistant: SELECT AVG("Grid") FROM "Table" WHERE "Constructor" = 'brm' AND "Driver" = 'tony maggs' AND "Laps" > 102.0;