CREATE TABLE table_38669 ("Year" FLOAT, "Class" CLOB, "Team" CLOB, "Points" FLOAT, "Rank" CLOB, "Wins" FLOAT)

What are the most wins in 1971 in 250cc class?
SELECT MAX("Wins") FROM table_38669 WHERE "Class" = '250cc' AND "Year" = '1971'
SELECT MAX("Wins") FROM "table_38669" WHERE "Class" = '250cc' AND "Year" = '1971'