Question: What is the birthdate of the player who broke Dario Hübner record of being the oldest player to win the Serie A Top-scorer award in 2015?
Sentence (from "Dario Hübner"): Dario Hübner (born 28 April 1967 in Muggia, Province of Trieste), nicknamed Bisonte (Bison), is a retired Italian footballer, who played as a striker.
Relevant evidence: No