Question: Are Youssef Chahine and Gordon Douglas both directors?
Related documents: [0]  [DOC] Gordon Douglas (December 15, 1907 – September 29, 1993) was an American film director, who directed many different genres of films over the course of a five-decade career in motion pictures. He was a native of New York City. [END] 
[1]  [DOC] Youssef Chahine (Arabic: يوسف شاهين‎ ‎ ; 25 January 1926 – 27 July 2008) was an Egyptian film director, he was active in the Egyptian film industry from 1950 until his death. A winner of the Cannes 50th Anniversary Award (for lifetime achievement), Chahine was credited with launching the career of actor Omar Sharif. A critically acclaimed director frequently seen in film festivals during the earlier decades of his work, Chahine reached wider international audiences as one of the co-directors of "11'9"01 September 11". [END] 
Answer: 
yes
yes