Question: What is the date of birth of the director of film Half Of A Yellow Sun (Film)?
Sentence (from "Half of a Yellow Sun (film)"): It stars Chiwetel Ejiofor, Thandie Newton, Onyeka Onwenu, Anika Noni Rose, Joseph Mawle, Genevieve Nnaji, OC Ukeje and John Boyega.
Relevant evidence: No