Question: In what year did the episode "Eastwatch" from HBO's "Game of Thrones" air? 

Context paragraphs:
Eastwatch: "Eastwatch" is the fifth episode of the seventh season of HBO's fantasy television series "Game of Thrones", and the 65th overall.  The episode was written for television by Dave Hill, and directed by Matt Shakman.

Game of Thrones: Season 4 (soundtrack): The soundtrack album of the fourth season of HBO series "Game of Thrones", titled Game of Thrones: Season 4 was released digitally on June 10, 2014, and on CD on July 1, 2014.  Season 4 of "Game of Thrones" saw the Icelandic band Sigur Rós perform their rendition of "" in a cameo appearance at King Joffrey's wedding in the second episode, "The Lion and the Rose".

You Win or You Die: "You Win or You Die" is the seventh episode of the HBO medieval fantasy television series "Game of Thrones".  It was written by David Benioff and D. B. Weiss, and directed by Daniel Minahan.  Set to air May 29, 2011, the episode was released in advance immediately following the conclusion of "A Golden Crown" to HBO customers with access to HBO Go.

Game of Thrones (season 7): The seventh season of the fantasy drama television series "Game of Thrones" premiered on HBO on July 16, 2017, and concluded on August 27, 2017.  Unlike previous seasons that consisted of ten episodes each, the seventh season consisted of only seven.  Like the previous season, it largely consisted of original content not found in George R. R. Martin's "A Song of Ice and Fire" series, while also incorporating material Martin revealed to showrunners about the upcoming novels in the series.  The series was adapted for television by David Benioff and D. B. Weiss.

Game of Thrones Ascent: Game of Thrones Ascent is a strategy video game developed by Disruptor Beam for iOS, Facebook, Kongregate, and Android.  The game was a 2013 Facebook Game of the Year in the Staff Picks category and a winner of a 2013 Friendie Award.  The game is an adaptation of the novel series "A Song of Ice and Fire" by George R. R. Martin and the HBO TV series "Game of Thrones", and is the first such social network game.  According to Martin, the game features "alliance building, treachery, marriages, murders, and most of all the constant struggle to be the greatest house in Westeros."  The game includes the ability to engage in the dynamic political and social intrigue featured in the books and television show.  The game has over 9 million players.

Game of Thrones (season 1): The first season of the fantasy drama television series "Game of Thrones" premiered on HBO on April 17, 2011, at 9.00 pm in the U.S., and concluded on June 19, 2011.  It consists of ten episodes, each of approximately 55 minutes.  The series is based on "A Game of Thrones", the first novel in the "A Song of Ice and Fire" series by George R. R. Martin, adapted for television by David Benioff and D. B. Weiss.  HBO had ordered a television pilot in November 2008; filming began the following year.  However, it was deemed unsatisfactory and later reshot with some roles being recast.  In March 2010, HBO ordered the first season, which began filming in July 2010, primarily in Belfast, Northern Ireland, with additional filming in Malta.

Thronecast: Thronecast is a British television series on Sky Atlantic which is presented by Sue Perkins and Jamie East.  It is an aftershow to "Game of Thrones", which also airs on the channel.  Each episode is an hour in length and features interviews with members of the cast and crew, interaction with the audience and social media alongside analysis of the previous episode and a preview of the next episode of "Game of Thrones".  It was the only official aftershow for the American series until HBO aired "After the Thrones" in 2016 - a show which was cancelled after only one series.

After the Thrones: After the Thrones is an American live television aftershow that premiered on April 25, 2016 and ended on June 28, 2016.  It was hosted by Andy Greenwald and Chris Ryan who discussed episodes of the HBO television series "Game of Thrones".  The talk show is executive produced by Bill Simmons and Eric Weinberger.  Greenwald and Ryan previously hosted a podcast version of the show titled "Watch the Thrones" on Simmons' Grantland website.  A similar talk show called "Thronecast" airs on British channel Sky Atlantic, which also discusses episodes of "Game of Thrones".

Dave Hill (screenwriter): Dave Hill is an American television writer.  He is known for writing three episodes of the HBO series "Game of Thrones": in season 5, "Sons of the Harpy"; in season 6, "Home"; and in season 7, "Eastwatch".

Game of Thrones: Seven Kingdoms: Game of Thrones: Seven Kingdoms is a fantasy massively multiplayer online role-playing game (MMORPG), currently under development by video game developers Bigpoint and Artplant, in collaboration with HBO.  The game is based on the HBO TV series, "Game of Thrones", which is itself an adaptation of the "A Song of Ice and Fire" book series by George R. R. Martin.

Supporting paragraphs: Eastwatch Game of Thrones (season 7)
Answer: 2017