Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_33 (grid INTEGER, manufacturer VARCHAR, rider VARCHAR)
### Question:
Count the Grid which has a Manufacturer of aprilia, and a Rider of bradley smith?
### Answer:
SELECT AVG(grid) FROM table_name_33 WHERE manufacturer = "aprilia" AND rider = "bradley smith"