CREATE TABLE table_75600 ("Year" FLOAT, "Class" TEXT, "Team" TEXT, "Points" FLOAT, "Rank" TEXT, "Wins" FLOAT)

Which Points is the lowest one that has a Year larger than 1974, and a Rank of 15th?
SELECT MIN("Points") FROM table_75600 WHERE "Year" > '1974' AND "Rank" = '15th'
SELECT MIN("Points") FROM "table_75600" WHERE "Rank" = '15th' AND "Year" > '1974'