CREATE TABLE table_name_28 (grid NUMBER, time_retired VARCHAR2, laps VARCHAR2)

What is the top grid that laps less than 66 and a retried engine?
SELECT MAX(grid) FROM table_name_28 WHERE time_retired = "engine" AND laps < 66
SELECT MAX("grid") FROM "table_name_28" WHERE "engine" = "time_retired" AND "laps" < 66