Question: Between Boaz Yakin and Murray Grigor, which one served as director of the Edinburgh International Film Festival?

Context paragraphs:
Thanks Maa: Thanks Maa is a Hindi film, the directorial debut of Irfan Kamal, distributed by Sony Pictures Entertainment(SPE), India.  The film focuses on Child abandonment Issue in India.  It has been officially selected to be screened at Edinburgh International Film Festival, Pusan International Film Festival, Montreal World Film Festival, Cannes Film Festival, International Film Festival of India and Palm Springs International Film Festival.  The debut child actor Master Shams Patel has also won the Best Child Artist for the film, in the 56th National Film Awards.

Weirdsville: Weirdsville is a black comedy directed by Allan Moyle and written by Willem Wennekers.  The film premiered January 18, 2007 at the 2007 Slamdance Film Festival.  The film has also been shown at the Edinburgh International Film Festival, the Toronto International Film Festival, and the Raindance Film Festival, among many.  The film opened in limited release in the United States on October 5, 2007 in 1 theater in Austin, Texas, and expanded to 2 more theaters (in Atlanta and Portland) two weeks later.  The film was released on November 16, 2007 in the United Kingdom.

Young Film Academy: The Young Film Academy (YFA), based in London, is an English educational institution that was established in 2004.  Young Film Academy is the educational sister company to Magma Pictures.  Young Film Academy is the UK’s leading provider of practical filmmaking programmes to young people aged 8–18.  YFA works with over eighty of the UK's leading independent and state schools with their flagship programme, the One Day Film School.  Young Film Academy is also the workshop provider for UK arts festivals, including the Guardian Hay Festival and The Edinburgh International Film Festival, The Minghella Film Festival, The High Tide Festival and the Barbican's London Children's Film Festival.

Still Life (2013 film): Still Life is a 2013 drama film written and directed by Uberto Pasolini.  The film was presented at the 70th Venice Film Festival , where it won the award for Best Director in the category "Orizzonti".  At the Reykjavik International Film Festival, "Still Life" received the top award (Golden Puffin) as well as the FIPRESCI Award.  It also received the Black Pearl award (the highest award) at the Abu Dhabi Film Festival for "its humanity, empathy, and grace in treating grief, solitude, and death"; and for his performance, Eddie Marsan won the Best British Actor award at the 2014 Edinburgh International Film Festival.

Los Cabos International Film Festival: Founded in 2012 by Scott Cross, Sean Cross, Eduardo Sanchez-Navarro Redo, Alfonso Pasquel, Juan Gallardo Thurlow, Eduardo Sanchez-Navarro Rivera Torres, and Pablo Sanchez-Navarro, the Los Cabos International Film Festival is an international film festival that takes place annually in mid-November in Los Cabos, Mexico.  The 2012 Los Cabos International Film Festival (formerly Baja International Film Festival) took place November 14–17 in Los Cabos, Mexico.  The 2013 Los Cabos International Film Festival took place November 13–16 in Cabo San Lucas, Mexico.  The 2014 Los Cabos International Film Festival took place November 12–16, 2014 in Los Cabos, Mexico.  The 2015 Los Cabos International Film Festival took place November 11–15, 2015 in Los Cabos, Mexico.  The 2016 Los Cabos International Film Festival took place November 9–13, 2016 in Los Cabos, Mexico.  The 2017 festival will take place November 8-12, 2017.  Held in one of Mexico's premier resort destinations, the festival draws attendees and filmmakers from across Mexico, the United States and around the world.

Murray Grigor: William Alexander Murray Grigor OBE (born 1939) is a Scottish film maker, writer and exhibition curator who has served as director of the Edinburgh International Film Festival.  He has made over 50 films with a focus on arts and architecture documentaries.

Edinburgh Filmhouse: The Edinburgh Filmhouse is an Edinburgh cinema which opened in 1979.  It is home to the world's oldest continually running film festival, Edinburgh International Film Festival.  Tilda Swinton is honorary patron.

Boaz Yakin: Boaz Yakin (born June 20, 1966) is an American screenwriter and film director based in New York City.  He has written such screenplays as "Fresh" and "A Price Above Rubies", and he directed the feature film "Remember the Titans", among others.

Ayoub Qanir: Ayoub Qanir is an American, film director, writer and designer best known for his award winning experimental film series "Human After All", featuring French music duo Daft Punk.  As a follow up to his debut feature-project, "Koyakatsi", Ayoub has recently completed work on his latest film, "Artificio Conceal", set in London and starring leading actors David Bailie and Simon Armstrong.  "Artificio Conceal" has been selected to over 50 film festivals worldwide including Cannes Film Festival, Edinburgh International Film Festival and Seattle International Film Festival.  Qanir is also a member of the Association for Computing Machinery and the United Nations Association of the United States of America.

Lisa Jackson (filmmaker): Lisa Jackson is a Genie Award-winning Canadian and Anishinaabe filmmaker.  Her films have been broadcast on APTN and Knowledge, as well as CBC’s "ZeD", "Canadian Reflections" and Newsworld and have screened at festivals including HotDocs, Edinburgh International Film Festival, Melbourne, Worldwide Short Film Festival and Berlin International Film Festival.

Supporting paragraphs: Boaz Yakin Murray Grigor
Answer: Murray Grigor