Question: What is the birthdate of this American country music singer and songwriter, signed to Mercury Nashville Records, and serving as an opening act for the Goin' Coastal Tour? 
Sentence (from "Billy Currington"): He has released six studio albums for the label: "Billy Currington" (2003), "Doin' Somethin' Right" (2005), "Little Bit of Everything" (2008), "Enjoy Yourself" (2010), "We Are Tonight" (2013), and "Summer Forever" (2015).
Relevant evidence: No