Question: What is the date of death of the director of film Lekar Hum Deewana Dil?
Sentence (from "Lekar Hum Deewana Dil"): Jointly produced by Saif Ali Khan, Dinesh Vijan and Sunil Lulla under the banner of Eros International, Maddock Films and Illuminati Films, it is the debut directorial venture of Arif Ali, who was the assistant writer of the film
Relevant evidence: Yes