Question: Are Youssef Chahine and Gordon Douglas both directors?

Context paragraphs:
Ibn el Nil: Ibn el-Nil (Arabic: ابن النيل‎ ‎ , "Son of the Nile")    is a 1951 Egyptian drama film directed by Youssef Chahine.  It starred Yehia Chahine, Faten Hamama, Mahmoud el-Meliguy, and Shukry Sarhan and was chosen as one of the best 150 Egyptian film productions in 1996, during the Egyptian Cinema centennial.  The film received an award from the New Delhi International Film Festival and was nominated for the Prix International award at the 1952 Cannes Film Festival and an award in the Venice International Film Festival.

Gordon Douglas (director): 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.

The Other (1999 film): The Other (Arabic: الآخر‎ ‎ , translit.  El akhar, French: "L'Autre" ) is a 1999 French-Egyptian drama film directed by Youssef Chahine.  It was screened in the Un Certain Regard section at the 1999 Cannes Film Festival.

Daoud Abdel Sayed: Daoud Abdel Sayed (Arabic: داود عبد السيد‎ ‎   ] ) is an Egyptian director and screenwriter.  He was born in Cairo in 1946.  He started as the assistant of Youssef Chahine in The Land.  He made several critically acclaimed films, and won several international awards notably for "The Land of Fear" which was produced in 1999.

Lebanese people in Egypt: The Lebanese people of Egypt are people from Lebanon or those of Lebanese descent who live or have lived in the country of Egypt.  Many prominent figures that have emerged in Egypt were of Lebanese origin, such as the world-famous actor, Omar Sharif (born Michel Chalhoub), and the highly acclaimed Egyptian filmmaker, Youssef Chahine.  Most Lebanese who resided in Egypt were highly educated, and the community as a whole contributed to both Egypt's cultural and financial well being, especially during the era of the Muhammad Ali dynasty.  Since the Egyptian Revolution of 1952, most of Egypt's Lebanese community left the country immigrating to the Americas, Europe, and Australia, as well as many returning to their native Lebanon (especially Beirut).

Saladin the Victorious: Saladin the Victorious (Arabic: الناصر صلاح الدين‎ ‎ , translit.  Al Nasser Salah Ad-Din) is a 1963 Egyptian war drama film directed by Youssef Chahine.  It was written by Youssef El Sebai, based on the novel by Naguib Mahfouz.  It stars Ahmed Mazhar as Saladin, Salah Zulfikar, Mohamed Abdel Gawad, Tewfik El Dekn, Omar El-Hariri, Mahmoud El-Meliguy, , Hamdi Gheiss, Ahmed Luxor, Nadia Lutfi, Hussein Riad, Laila Taher and Zaki Toleimat.  It was entered into the 3rd Moscow International Film Festival.

Cinématon: Cinématon is a 199-hour-long experimental film by French director Gérard Courant.  It was the longest film ever released until 2011.  Composed over 28 years from 1978 until 2006, it consists of a series of over 2,987 silent vignettes (cinématons), each 3 minutes and 25 seconds long, of various celebrities, artists, journalists and friends of the director, each doing whatever they want for the allotted time.  Subjects of the film include directors Barbet Schroeder, Nagisa Oshima, Volker Schlöndorff, Ken Loach, Benjamin Cuq, Youssef Chahine, Wim Wenders, Joseph Losey, Jean-Luc Godard, Samuel Fuller and Terry Gilliam, chess grandmaster Joël Lautier, and actors Roberto Benigni, Stéphane Audran, Julie Delpy and Lesley Chatterley.  Gilliam is featured eating a 100-franc note, while Fuller smokes a cigar.  Courant's favourite subject was a 7-month-old baby.  The film was screened in its then-entirety in Avignon in November 2009 and was screened in Redondo Beach, CA on April 9, 2010.

Khairiya Al Mansour: Khairiya Al Mansour is an Iraqi film maker and director.  Born March 28, 1958 in Baghdad, Khairiya studied there from 1976 to 1980 at the Academy of Arts, and in Cairo at the Higher Film Institute in 1987.  She was an assistant director to well-known Iraqi and Egyptian directors such as Salah Abu Seif, Tewfik Saleh, and Youssef Chahine.  She herself has made around forty documentary films for the Iraqi ministry of culture and for private producers.  She has also directed two full-length films.  When the international embargo against Iraq brought about the collapse of the film industry there, she started working for Iraqi and Jordanian television.  She divides her time between Baghdad and Cairo.

Destiny (1997 film): Destiny (Arabic: المصير‎ ‎ , translit.  Al-massir) is a 1997 French-Egyptian historical drama film directed by Youssef Chahine.  It was screened out of competition at the 1997 Cannes Film Festival.  The film was selected as the Egyptian entry for the Best Foreign Language Film at the 70th Academy Awards, but was not accepted as a nominee.

Youssef Chahine: 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".

Supporting paragraphs: Youssef Chahine Gordon Douglas (director)
Answer: yes