Question: When is the performer of song Choir (Song) 's birthday?
Sentence (from "Guy Sebastian"): Guy Theodore Sebastian (born 26 October 1981) is a Malaysian-born Australian singer and songwriter who was the winner of the first "Australian Idol" in 2003, and a judge on Australia's "The X Factor" in 2010, 2011, 2012, 2015 and 2016.
Relevant evidence: Yes