CREATE TABLE table_71112 ("Year" CLOB, "Start" CLOB, "Qual" CLOB, "Rank" CLOB, "Finish" CLOB, "Laps" FLOAT)

What is the highest laps with a 30 finish?
SELECT MAX("Laps") FROM table_71112 WHERE "Finish" = '30'
SELECT MAX("Laps") FROM "table_71112" WHERE "Finish" = '30'