CREATE TABLE table_54339 ("Driver" CLOB, "Team" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" CLOB, "Points" FLOAT)

What is the top lap that had 6 grids and more than 19 points?
SELECT MAX("Laps") FROM table_54339 WHERE "Grid" = '6' AND "Points" > '19'
SELECT MAX("Laps") FROM "table_54339" WHERE "Grid" = '6' AND "Points" > '19'