Question: The singer who released a 1988 album entitled "Watermark" was born in what month?
Sentence (from "Enya"): Eithne Pádraigín Ní Bhraonáin (anglicised as Enya Patricia Brennan; born 17 May 1961), better known professionally as Enya, is an Irish singer, songwriter, musician, and producer.
Relevant evidence: Yes