Question: Who is a University of British Columbia film professor, Ulrike Ottinger or Rachel Talalay?
Context: "World Enough and Time" is the eleventh episode of the tenth series of the British science fiction television series "Doctor Who".  It is written by Steven Moffat, directed by Rachel Talalay, and was broadcast on 24 June 2017 on BBC One.  The episode received overwhelmingly positive reviews from television critics. Tank Girl is a 1995 American science fiction action comedy film directed by Rachel Talalay.  Based on the British post-apocalyptic comic series of the same name by Alan Martin and Jamie Hewlett that was originally published in "Deadline" magazine, the film stars Lori Petty, Naomi Watts, Ice-T and Malcolm McDowell.  "Tank Girl" is set in a drought-ravaged Australia, years after a catastrophic impact event.  It follows the antihero Tank Girl (Petty) as she, Jet Girl (Watts), and genetically modified supersoldiers called the Rippers fight "Water & Power", an oppressive corporation led by Kesslee (McDowell). Joan of Arc of Mongolia (German: Johanna D'Arc of Mongolia ) is a 1989 German drama film directed by Ulrike Ottinger.  It was entered into the 39th Berlin International Film Festival. "The Doctor Falls" is the twelfth and final episode of the tenth series of the British science fiction television series "Doctor Who".  It is written by Steven Moffat, directed by Rachel Talalay, and was broadcast on 1 July 2017 on BBC One.  It is the second episode of a two-part story, the first part being "World Enough and Time".  The episode received overwhelmingly positive reviews from television critics. "Heaven Sent" is the eleventh and penultimate episode of the ninth series of the British science fiction television series "Doctor Who".  It was first broadcast on BBC One on 28 November 2015.  It was written by Steven Moffat and directed by Rachel Talalay. Zeke's Pad is an animated TV show and is a Canada–Australia co-production between Bardel Entertainment, Flying Bark Productions, and Leaping Lizard Productions in association with Seven Network and YTV.  The show was produced with the participation of The Canadian Television Fund, The Province of British Columbia Film Incentive BC, The Canadian Film or Video Production Tax Credit, The Shaw Rocket Fund, The Independent Production Fund, Cogeco Program Development Fund, Bell Broadcast and New Media Fund, and British Columbia Film.  It has aired on YTV in Canada and on Nickelodeon in the United States on Saturdays at 7pm.  It is about the adventures of a 14-year-old skateboarder and artist named Zeke who owns a magic electronic pad that brings life to anything he draws on it. Ulrike Ottinger (born 6 June 1942) is a German filmmaker, documentarian photographer and professor at the European Graduate School in Saas-Fee, Switzerland. The Korean Wedding Chest is a 2009 documentary film about Korean wedding traditions directed by Ulrike Ottinger.  The German language film was described as "capturing the collision of ancient tradition and modern culture on the subject of love and marriage in Korea in a film that echoes the beauty, precision and care of the rituals she examines" by the "Los Angeles Times".  The "Washington Post"'s website refers to the surrealist style of the film as being well suited to "the regal pacing of the ritual" and calls the film one of Ottinger's most praised works. Freak Orlando is a 1981 West German comedy film directed by Ulrike Ottinger and starring Magdalena Montezuma. Rachel Talalay (born August 16, 1958) is an American film and television director and producer.  She is also a University of British Columbia film professor.
Answer: Rachel Talalay