Complex sentence: However, it was released as the second single from the album, backed with another Entwistle song, "Trick of the Light", making it the only A-side by the Who written by Entwistle.
Split into simpler sentences: However, it was released as the second single from the album, backed with another Entwistle song, "Trick of the Light". "905" is the only A-side by the Who written by Entwistle.