Question: Who is the spouse of the performer of song Runaway Train (Elton John And Eric Clapton Song)?
Sentence (from "Elton John"): John, who announced he was bisexual in 1976 and has been openly gay since 1988, entered into a civil partnership with David Furnish on 21 December 2005; they married after same-sex marriage became legal in England and Wales in 2014.
Relevant evidence: Yes