CREATE TABLE table_31161 ("No." FLOAT, "#" FLOAT, "Episode title" TEXT, "Director" TEXT, "Writer ( s ) " TEXT, "U.S. original airdate" TEXT, "Prod. code" FLOAT)

When 22 is the number what is the episode title?
SELECT "Episode title" FROM table_31161 WHERE "No." = '22'
SELECT "Episode title" FROM "table_31161" WHERE "No." = '22'