CREATE TABLE table_51645 ("Club" CLOB, "City" CLOB, "Stadium" CLOB, "Capacity" FLOAT, "2011\\u201312 season" CLOB)

What city houses the Ciro Vigorito stadium?
SELECT "City" FROM table_51645 WHERE "Stadium" = 'ciro vigorito'
SELECT "City" FROM "table_51645" WHERE "Stadium" = 'ciro vigorito'