Question: Which FX horror Series had its pilot episode premiered at the ATX Television Festival in Austin, Texas, in early June 2014, staring Rupert Penry-Jones?
Context: The seventh series of the BBC espionage television series "Spooks" (known as MI-5 in the United States) began broadcasting on 27 October 2008 on BBC One before ending on 8 December 2008 on the same channel, and consists of eight episodes, two fewer than previous series.  It follows the actions of Section D, a counter-terrorism division in MI5.  The primary storyline involves Sugarhorse, a top secret operation set up by MI5 during the final years of the Cold War, and a mole working for the FSB who intends to leak the operation to the Russians.  Peter Firth, Rupert Penry-Jones, Hermione Norris, Richard Armitage, Miranda Raison, Gemma Jones, Hugh Simon and Alex Lanipekun are credited as the main cast. F#@K I Love U is a United States original independent drama/comedy series.  The pilot episode premiered March 18, 2014 followed by 4 additional episodes August 10, 2014 on YouTube and Vimeo.  February 4, 2015 the official website was launched with additional video content and photos.  F#@K I Love U has won the 2015 award for ITVFest (Independent Television Festival) "Best Acting Ensemble" in Dover, Vermont and the Indie Fest 2015 July "Award of Merit." A Little Chaos is a 2014 British period drama film directed by Alan Rickman.  The story was conceived by Allison Deegan and she co-wrote the screenplay along with Rickman and Jeremy Brock.  The film stars Kate Winslet, Matthias Schoenaerts, Alan Rickman, Stanley Tucci, Helen McCrory, Steven Waddington, Jennifer Ehle and Rupert Penry-Jones.  The film was financed by the Lionsgate UK and produced by BBC Films.  It was the second film directed by Rickman, after his 1997 directorial debut "The Winter Guest".  It was the second collaboration of Rickman and Winslet after their 1995 film "Sense and Sensibility".  Production took place in London in mid 2013.  The film had its world premiere at the 2014 Toronto International Film Festival as the closing night film on 13 September 2014. North Square is a British television drama series written and created by Peter Moffat, and broadcast by Channel 4 from 18 October to 20 December 2000.  Starring an ensemble cast, including Phil Davis, Rupert Penry-Jones, Helen McCrory and Kevin McKidd, the programme is set around the practice of a barristers' chambers in Leeds.  The series was filmed in and around the real life Park Square, Leeds.  This is the area in the city where the majority of barristers' chambers are concentrated. ATX Television Festival is an annual event based in Austin, Texas, that celebrates and showcases the past, present, and future of the television industry.  Screenings, Q&As, cast reunions, and industry panel discussions take place over four days and are open to members of the public.  The organizers describe it as having "the functionality of a traditional film festival", and as a blending of industry and fan events.  The first was held in June 2012, founded by Caitlin McFarland and Emily Gipson.  Attendance numbers have risen from 700 at the first festival to 2,500 in 2017.  They now work "hand-in-hand with networks and studios that want to bring their talent to promote their programming". The third series of the British spy drama television series "Spooks" (known as MI-5 in the United States) began broadcasting on 11 October 2004 on BBC One, before ending on 13 December 2004.  It consists of ten episodes which continue to follow the actions of Section B, a counter-terrorism division of the British Security Services (MI5).  It also sees the departure of three principal characters: Tom Quinn (Matthew Macfadyen) is decommissioned in the second episode, Zoe Reynolds (Keeley Hawes) is exiled to Chile in the sixth episode, and Danny Hunter (David Oyelowo) is killed in the series finale.  In addition to Macfadyen, Hawes and Oyelowo, Peter Firth, Rupert Penry-Jones, Nicola Walker, Hugh Simon, Shauna Macdonald and Rory MacGregor are listed as the main cast. The Strain is an American horror drama television series that premiered on FX on July 13, 2014.  It was created by Guillermo del Toro and Chuck Hogan, based on their novel trilogy of the same name.  Carlton Cuse serves as executive producer and showrunner.  Del Toro and Hogan wrote the pilot episode, "Night Zero", which del Toro directed.  A thirteen-episode first season was ordered on November 19, 2013.  The pilot episode premiered at the ATX Television Festival in Austin, Texas, in early June 2014. "Pilot" is the first episode of the sports drama television series "Friday Night Lights".  The episode premiered on the NBC network on October 3, 2006.  It introduces the men and women involved with the Dillon Panthers, a Texas high school football team.  In the pilot episode, the team is preparing for the first game of the season, which will be the first game under new head coach Eric Taylor. Rupert William Penry-Jones (born 22 September 1970) is an English actor, best known for his roles as Adam Carter in the BBC One spy drama series "Spooks", Clive Reader QC in the BBC One legal drama "Silk", policeman DI Joseph Chandler in the ITV murder mystery series "Whitechapel", and Mr. Quinlan in the FX horror series "The Strain". Adam Henry Carter is a fictional character from the BBC espionage television series "Spooks", which follows the exploits of Section D, a counter-terrorism division of MI5.  He is portrayed by British actor Rupert Penry-Jones.  The character is a former MI6 officer who takes charge as the chief of Section D, and hence the head protagonist following the departure of Tom Quinn in series three.
Answer: The Strain