Table: mx_gp_1966
Columns: driver
constructor
laps
time_retired
grid

Question: How many laps did Innes Ireland make when he had a grid more than 15?
SQL: SELECT "laps" FROM mx_gp_1966 WHERE "grid" > 15 AND "driver" = 'innes ireland'

Question: What is the grid for Jack Brabham with more than 65 laps?
SQL: SELECT SUM("grid") FROM mx_gp_1966 WHERE "driver" = 'jack brabham' AND "laps" > 65

Question: Who drove grid 5?
SQL: SELECT "driver" FROM mx_gp_1966 WHERE "grid" = 5