Question: What date was the draft, in which Nemanja Dangubić was selected by the Philadelphia 76ers, held? 
Sentence (from "Nemanja Dangubić"): Nemanja Dangubić (Serbian: Немања Дангубић , born April 13, 1993) is a Serbian professional basketball player who currently plays for Crvena zvezda of the Basketball League of Serbia.
Relevant evidence: Yes