Question: The tv series "Our Zoo" is about the creation of a zoo opened in what year?

Context paragraphs:
Shoebox Zoo: Shoebox Zoo is a children's fantasy TV series made in a collaboration between BBC Scotland and various Canadian television companies.  It is mostly live-action, but with CGI used for the animal figurines.  It was first broadcast in 2004, by CBBC.  The series was broadcast in the United States by the Showtime network and in Jamaica by CVM Television.

Laura J. Burns: Laura J. Burns is a Californian author originally from Long Island, New York.  Starting in publishing, she now specializes in novels based on television shows or movies.  She often collaborates with fellow author Melinda Metz, with whom she writes the book series based on the "Everwood" TV show, and the "Wright and Wong" young detective series.  She was closely involved with the creation of the "Roswell High" series, and later became a staff writer on the "Roswell" TV series.

S.W.O.R.D. (The Saint): S.W.O.R.D. (an acronym for Secret World Organization for Retribution & Destruction) is a fictional criminal organization that exists as a creation within a creation.  The organization appears in the novel "The Saint and the Fiction Makers", written by Fleming Lee.  It is credited to editor Leslie Charteris who created the title character of Simon Templar, alias "The Saint".  "The Fiction Makers" was adapted from a two-part episode of the same title written by John Kruse from "The Saint" TV series.

Zoop (TV series): Zoop was an award-winning Dutch youth-oriented TV series about eight young adults working in the Ouwehands Dierenpark zoo in Rhenen.  The series was sold to Brazil, France, India and Sweden.

List of Greek television series: The television in Greece began in 1966.  Nevertheless the first TV series was aired in 1970 and was the series "To Spiti me ton Foinika", aired by YENED.  The next series was "O Kyrios Synigoros" in the same year.  The first years of television there were only public channels.  The first channels were the channel EIR and the TED, the channel of armed forces.  Few years later TED renamed to YENED and EIR became EIRT.  The public channels renamed again after the coming of PASOK in the power and they became ERT1 and ERT2.  Famous TV-series of the period of public television are: "O Agnostos Polemos", "I Geitonia Mas", "Louna Park", "Christ Recrucified", "Methoriakos Stathmos", "oi Pantheoi".  In 1989, Greek television entered in a new period, the period of private television.  The first private TV channels started to broadcast in 1989.  After the creation of private channels the most series were played by them.  The period 1995–2009 is the best period of the Greek television and frequently characterized as the golden age of the Greek TV.  Then, many series were shot with expensive productions.  After 2010, the Greek debt crisis affected the Greek television and the productions decreased dramatically.

Jay Faerber: Jay Faerber (born 1972) is an American comic book and television writer.  Faerber is known for his work on "Generation X" and "New Warriors" for Marvel Comics, and "The Titans" and "" for DC Comics.  He later wrote his own creator-owned titles for Image Comics, including "Noble Causes", "Dynamo 5", "Near Death" and "Copperhead".  He was also a writer on the CW TV series "Ringer" and "Star-Crossed" and currently writes for the CBS TV series Zoo.

R. Unnikrishnan: R. Unnikrishnan is a TV series director working in Malayalam television industry.  He debuted as a TV series director for Amrutha TV’s Swartham in 2010.  After successful creation of We all are back benchers, Marimayam, Thateem Mutteeem now he is working on super duper family comedy Uppum Mulakum for Flowers TV.

Unexpected John Cena: Unexpected John Cena, also known as simply Unexpected Cena or And His Name is John Cena, refers to an Internet meme and a form of trolling involving videos that first garnered popularity on video-sharing services such as Vine and YouTube in the summer of 2015.  Born and inspired by numerous prank calls done on the "Z Morning Zoo" show in 2012, the clips, noted by one writer to symbolize frustration of fans of WWE regarding American wrestler John Cena's over-publicity, depict a snippet of a popular film, TV series, song or other form of media that gets interrupted by Cena's entrance video, as an announcer yells "And his name is John Cena!"  and his theme song "The Time Is Now", often played loudly.  The meme was very well received by journalists and Cena himself.

Our Zoo: Our Zoo is a British drama television series from BBC One, first broadcast on 3 September 2014.  The six-part series, written by Matt Charman and directed by Andy De Emmony, is about George Mottershead, his dreams of creating a cage-free zoo, his family and how their lives changed when they embarked on the creation of Chester Zoo.

Chester Zoo: Chester Zoo is a zoological garden at Upton by Chester, in Cheshire, England.  Chester Zoo was opened in 1931 by George Mottershed and his family.  It is one of the UK's largest zoos at 125 acre .  The zoo has a total land holding of approximately 400 acre .

Supporting paragraphs: Our Zoo Chester Zoo
Answer: 1931