CREATE TABLE table_39797 ("Position" FLOAT, "Team" TEXT, "Points" FLOAT, "Played" FLOAT, "Drawn" FLOAT, "Lost" FLOAT, "Against" FLOAT, "Difference" TEXT)

What is the lowest Lost for s o paulo railway, Points more than 21?
SELECT MIN("Lost") FROM table_39797 WHERE "Team" = 'são paulo railway' AND "Points" > '21'
SELECT MIN("Lost") FROM "table_39797" WHERE "Points" > '21' AND "Team" = 'são paulo railway'