CREATE TABLE table_name_30 (laps NUMBER, driver VARCHAR2, grid VARCHAR2, time_retired VARCHAR2)

What is the largest number of laps with a Grid larger than 14, a Time/Retired of + 2 laps, and a Driver of helmut marko?
SELECT MAX(laps) FROM table_name_30 WHERE grid > 14 AND time_retired = "+ 2 laps" AND driver = "helmut marko"
SELECT MAX("laps") FROM "table_name_30" WHERE "+ 2 laps" = "time_retired" AND "driver" = "helmut marko" AND "grid" > 14