Question: What number album was released on 4 April 2014 in Europe by a Dutch symphonic metal band formed in 2002 by former Within Temptation keyboardist Martijn Westerholt, and Charlotte Wessels?
Sentence (from "Delain"): Delain is a Dutch symphonic metal band formed in 2002 by former Within Temptation keyboardist Martijn Westerholt, and Charlotte Wessels.
Relevant evidence: Yes