CREATE TABLE table_name_72 (laps NUMBER, grid VARCHAR2, time_retired VARCHAR2, driver VARCHAR2)

What is the lap total for george eaton, with a grid under 17 retiring due to gearbox?
SELECT SUM(laps) FROM table_name_72 WHERE time_retired = "gearbox" AND driver = "george eaton" AND grid < 17
SELECT SUM("laps") FROM "table_name_72" WHERE "driver" = "george eaton" AND "gearbox" = "time_retired" AND "grid" < 17