CREATE TABLE table_12933 ("Percentage Range" TEXT, "Grade" TEXT, "Points for Higher" FLOAT, "Points for Ordinary" FLOAT, "Points for Foundation" FLOAT)

What is the maximum points for higher when the points for foundation is less than 0?
SELECT MAX("Points for Higher") FROM table_12933 WHERE "Points for Foundation" < '0'
SELECT MAX("Points for Higher") FROM "table_12933" WHERE "Points for Foundation" < '0'