CREATE TABLE table_252 ("Player" TEXT, "No." TEXT, "Nationality" TEXT, "Position" TEXT, "Years for Jazz" TEXT, "School/Club Team" TEXT)

What school or team does Al Jefferson play for?
SELECT "School/Club Team" FROM table_252 WHERE "Player" = 'Al Jefferson'
SELECT "School/Club Team" FROM "table_252" WHERE "Player" = 'Al Jefferson'