Question: Named after producer Radcliffe's Blackwing Studios where the album was recorded, "Upstairs at Eric's" was preceded by two top three UK singles, including the ballad "Only You", a song written by what English musician? 
Sentence (from "Leave in Silence"): It was the first Depeche Mode single in the UK to use the "Bong" catalogue number system, which they used until "Heaven" in 2013.
Relevant evidence: No