CREATE TABLE table_52480 ("Date" CLOB, "Visitor" CLOB, "Score" CLOB, "Home" CLOB, "Leading scorer" CLOB, "Attendance" FLOAT, "Record" CLOB)

Who is the visitor team on 23 November 2007?
SELECT "Visitor" FROM table_52480 WHERE "Date" = '23 november 2007'
SELECT "Visitor" FROM "table_52480" WHERE "Date" = '23 november 2007'