CREATE TABLE table_30297 ("No. in series" FLOAT, "No. in season" FLOAT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( million ) " TEXT)

What is the production code for 'chuck versus the balcony'?
SELECT "Production code" FROM table_30297 WHERE "Title" = 'Chuck Versus the Balcony'
SELECT "Production code" FROM "table_30297" WHERE "Title" = 'Chuck Versus the Balcony'