Question: What is the birthdate of this English former footballer who played as a striker and who played for the 2012-13 Sheffield United F.C. season?
Sentence (from "2012–13 Sheffield United F.C. season"): Many of the players involved in the previous season were either sold or released, while the likes of Nick Blackman, Tony McMahon, Shaun Miller and Dave Kitson were signed to replace them.
Relevant evidence: No