CREATE TABLE table_31118 ("Team" CLOB, "Chairman" CLOB, "Head Coach" CLOB, "Captain" CLOB, "Kitmaker" CLOB, "Shirt sponsor" CLOB)

Name the chairman for iker casillas
SELECT "Chairman" FROM table_31118 WHERE "Captain" = 'Iker Casillas'
SELECT "Chairman" FROM "table_31118" WHERE "Captain" = 'Iker Casillas'