CREATE TABLE table_33131 ("Team" CLOB, "Manager" CLOB, "Captain" CLOB, "Kit maker" CLOB, "Shirt sponsor" CLOB)

Who sponsors Middlesbrough?
SELECT "Shirt sponsor" FROM table_33131 WHERE "Team" = 'middlesbrough'
SELECT "Shirt sponsor" FROM "table_33131" WHERE "Team" = 'middlesbrough'