CREATE TABLE table_3817 ("No. in series" TEXT, "No. in season" TEXT, "Title" TEXT, "Directed by" TEXT, "Written by" TEXT, "Original air date" TEXT, "Production code" TEXT, "U.S. viewers  ( millions ) " TEXT)

When steve holland is the writer what is the air date?
SELECT "Original air date" FROM table_3817 WHERE "Written by" = 'Steve Holland'
SELECT "Original air date" FROM "table_3817" WHERE "Written by" = 'Steve Holland'