Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_71 ( laps INTEGER, grid VARCHAR, manufacturer VARCHAR, rider VARCHAR )

### Question ###
What is the average laps when the manufacturer is yamaha, and the rider is garry mccoy and the grid is smaller than 4?

### Accurate SQL ###

SELECT AVG(laps) FROM table_name_71 WHERE manufacturer = "yamaha" AND rider = "garry mccoy" AND grid < 4