CREATE TABLE table_55066 ("Player" CLOB, "Pos." CLOB, "From" FLOAT, "School/Country" CLOB, "Rebs" FLOAT, "Asts" FLOAT)

beyond 2001, what is the lowest asts from a pos of sf?
SELECT MIN("Asts") FROM table_55066 WHERE "Pos." = 'sf' AND "From" > '2001'
SELECT MIN("Asts") FROM "table_55066" WHERE "From" > '2001' AND "Pos." = 'sf'