Question: ÷ (pronounced "divide"), is the third studio album by English singer-songwriter Ed Sheeran, which lead single was released as a digital download on 6 January 2017 as one of the double lead singles from his third studio album "÷" (2017)?
Sentence (from "Castle on the Hill (song)"): "Castle on the Hill" was written and produced by Ed Sheeran and Benny Blanco.
Relevant evidence: No