Question: Damian Joseph McGinty Jr., born on which date, is an actor and singer from Derry, Northern Ireland, he was a member for four years starting when he was fourteen, of the Irish singing group Celtic Thunder, the group and stage show known for its eclectic, theatrical style show, group is backed by the Celtic Thunder Band on their concert tours?
Sentence (from "Celtic Thunder"): Celtic Thunder is an Irish singing group and stage show known for its eclectic, theatrical style show.
Relevant evidence: Yes