Question: Who was a Greek film director Andrew Lau or Yannis Smaragdis? 
Context: Yannis Fagras (Greek: Γιάννης Φάγκρας) is a Greek filmmaker.  He studied film production and theory in New York City.  His first feature film, “Still Looking for Morphine”, won the Association of Greek Film Critics award for best film at the 42nd Thessaloniki International Film Festival.  It had a successful commercial release, was presented at international film festivals, and was included in "Sight & Sound" magazine’s list of “75 hidden gems” of world cinema.  His second feature “Forget Me Not”, shot mostly in Alaska and the Bering Sea, premiered in the 55th Thessaloniki International Film Festival From Vegas to Macau III (賭城風雲III) is a 2016 Hong Kong-Chinese action comedy film directed by Andrew Lau and Wong Jing and starring Chow Yun-fat, Andy Lau, Nick Cheung and Li Yuchun, with special appearances by Jacky Cheung and Carina Lau.  The film is the third and final installment of the "From Vegas to Macau" series.  The film was released on 6 February 2016 in Hong Kong and on 8 February 2016 in China. Vangelis Mourikis (Greek: Βαγγέλης Μουρίκης ) is a Greek film actor.  He has appeared in more than thirty films since 1982.  He studied in Australia where he did his first works.  In 1990s he returned to Greece and devoted to independent cinema.  He has won five awards both leading and supporting actor.  He has collaborated with many notable directors of new Greek cinema such as Thodoros Maragos, Yannis Economides, Nikos Grammatikos, Pantelis Voulgaris, Athina Rachel Tsangari and others. God Loves Caviar (Greek: Ο Θεός αγαπάει το χαβιάρι , translit.  O Theós agapáei to chaviári; in Russia known as Pirates of the Aegean Sea) is a 2012 Russo-Greek drama film directed by Yannis Smaragdis. The Greek Film Critics Association or Pan-Hellenic Film Critics Association (Greek: Πανελλήνια Ένωση Κριτικών Κινηματογράφου, ΠΕΚΚ ) was founded in 1976.  The first members were the famous Greek film critics such as Nino Fenek Mikelidis, Vasilis Rafailidis, Yannis Bakogiannopoulos and others.  Since 1977, the association belongs to International Federation of Film Critics (FIPRESCI). El Greco Original Motion Picture Soundtrack is a soundtrack album featuring the music score for the 2007 film "El Greco", by Greek electronic composer Vangelis, released in Greece and Cyprus by Universal Music Greece.  The film, directed by Yannis Smaragdis, follows the life of Greek painter, Doménicos Theotokópoulos, as he travels to Italy and Spain where he becomes known as El Greco (The Greek).  Vangelis previously worked with Yannis Smaragdis on his 1996 movie about the Greek poet Kavafis (a.k.a. Cavafy).  It won the award for best music score at the 48th Greek State Film Awards in 2007. Andrew Lau Wai-Keung (born 4 April 1960) is a Hong Kong film director, producer, and cinematographer.  Lau began his career in the 1980s and 1990s, serving as a cinematographer to filmmakers such as Ringo Lam, Wong Jing and Wong Kar-wai.  In the 1990s, Lau decided to have more creative freedom as a cinematographer by becoming a film director and producer.  Apart from making films in his native Hong Kong, Lau has also made films in China, Korea and the United States.  A highly prolific filmmaker, Lau has made films in a variety of genres, and is most notable in the West for his action and crime films which include the "Young and Dangerous" film series, the "Infernal Affairs" trilogy (the latter co-directed together with Alan Mak), and "Revenge of the Green Dragons" (executive produced by Martin Scorsese). Iannis Smaragdis (Greek: Γιάννης Σμαραγδής ) is a Greek film director. Homecoming Song (Greek: Το Τραγούδι της Επιστροφής , translit.  To tragoudi tis epistrofis) is a 1983 Greek drama film directed by Yannis Smaragdis.  It was entered into the 13th Moscow International Film Festival. El Greco is a Greek biographical film about the life of the Greek painter of the Spanish Renaissance, Domenicos Theotokopoulos, known worldwide as El Greco.  Based on the fictionalized biographical novel, "El Greco: o Zografos tou Theou" ("El Greco: the Painter of God"), by Dimitris Siatopoulos, it was released in 2007, directed by Yannis Smaragdis and written by Jackie Pavlenko.  The main cast features prominent contemporary Greek actors like Lakis Lazopoulos, Dimitra Matsouka and Dina Konsta, and includes popular actors of the Greek cinema of the 1960s such as Sotiris Moustakas and Katerina Helmi, who, along with Juan Diego Botto, Laia Marull and others, surround the leading actor, Nick Ashdon, who portrays El Greco.
Answer: Iannis Smaragdis (Greek: Γιάννης Σμαραγδής ) is a Greek film director.