CREATE TABLE table_name_74 (grid VARCHAR, constructor VARCHAR, driver VARCHAR)

Which grid is constructed by Maserati and driven by Oscar Alfredo G lvez?
SELECT grid FROM table_name_74 WHERE constructor = "maserati" AND driver = "oscar alfredo gálvez"
SELECT "grid" FROM "table_name_74" WHERE "constructor" = "maserati" AND "driver" = "oscar alfredo gálvez"