CREATE TABLE table_22164 ("Title" CLOB, "Developer" CLOB, "Category" CLOB, "Function" CLOB, "Release date" CLOB, "Version" CLOB)

What functions were released on 2011-06-23?
SELECT "Function" FROM table_22164 WHERE "Release date" = '2011-06-23'
SELECT "Function" FROM "table_22164" WHERE "Release date" = '2011-06-23'