CREATE TABLE table_54976 ("Date" CLOB, "Visitor" CLOB, "Score" CLOB, "Home" CLOB, "Leading scorer" CLOB, "Record" CLOB)

Who was the visiting team on 12 March 2008?
SELECT "Visitor" FROM table_54976 WHERE "Date" = '12 march 2008'
SELECT "Visitor" FROM "table_54976" WHERE "Date" = '12 march 2008'