Question: Manchester Zoological Gardens competed with the zoo that opened in what year, also in Manchester?

Context paragraphs:
Toledo Zoo: Toledo Zoo is a zoo located in Toledo, Ohio, United States.  The zoo began in 1900 as Toledo Zoological Gardens and operated by the City of Toledo's Parks Board.  In 1982, ownership was transferred from the city to Toledo Zoological Society, a private non-profit organization, and professionalized the zoo's management.  Many of the zoo's original buildings were built by the Works Progress Administration, and are still in use today.

Hobart Zoo: The Hobart Zoo (also known as Beaumaris Zoo) was an old-fashioned zoological gardens located on the Queens Domain in Hobart, Tasmania, Australia.  The Zoo site is very close to the site of the Tasmanian Governor's House, and the Botanical Gardens.  Although its location is now primarily the site of a Hobart City Council depot, some remnants, and archaeological remains of the original Zoo can still be seen.

Singapore Zoo: The Singapore Zoo, formerly known as the Singapore Zoological Gardens and commonly known locally as the Mandai Zoo, occupies 28 ha on the margins of Upper Seletar Reservoir within Singapore's heavily forested central catchment area.  The zoo was built at a cost of $9 million granted by the government of Singapore and opened on 27 June 1973.  It is operated by Wildlife Reserves Singapore, who also manage the neighbouring Night Safari, River Safari and the Jurong BirdPark.  There are about 315 species of animal in the zoo, of which some 16 percent are considered to be threatened species.  The zoo attracts 1.7 million visitors each year.

Dudley Zoo: Dudley Zoological Gardens is a 40 acre zoo located within the grounds of Dudley Castle in the town of Dudley, in the Black Country region of the West Midlands, England.  The Zoo opened to the public on 18 May 1937.  Dudley Zoo is owned and operated by Dudley and West Midlands Zoological Society, founded in 1935 and a registered charity.

National Zoological Gardens of Sri Lanka: National Zoological Gardens of Sri Lanka (also called Colombo Zoo or Dehiwala Zoo) is a zoological garden in Dehiwala, Sri Lanka, founded in 1936.  Its sprawling areas are host to a variety of animals and birds.  The zoo exhibits animals but also places an emphasis on animal conservation and welfare, and education.

Nawab Wajid Ali Shah Zoological Garden: Nawab Wazid Ali Shah Prani Udyan earlier known as Prince of Wales Zoological Gardens or popularly known as Lucknow Zoological Garden (Hindi: लखनऊ चिड़ियाघर, Urdu: لکھنؤ چڑیاگھر "Lakhnaū Ciṛiyāghara") is a 71.6 acre zoo located in the heart of the capital city of Uttar Pradesh.  The Central Zoo Authority of India categorizes it as a large zoo.  The Prince of Wales Zoological Gardens, was established in the year 1921 to commemorate the visit of His Royal Highness, the Prince of Wales to Lucknow.  The idea of establishing Zoological gardens at Lucknow emanated from Sir Harcourt Butler, the Governor of the State.

Naypyidaw Zoological Gardens: The Naypyidaw Zoological Gardens (Burmese: နေပြည်တော် တိရိစ္ဆာန် ဥယျာဉ် , ] ) located in Naypyidaw is the largest zoo in South East Asia.  Located on the Yangon-Mandalay highway about 250 miles (400 km) north of Yangon, the 612-acre (247-hectare) zoo opened its doors on Myanmar's Armed Forces Day (27 March) in 2008 with about 420 animals trucked in from the Yangon Zoological Gardens.

Manchester Zoological Gardens: The Manchester Zoological Gardens opened in 1838, on a 15 acre site between Broom Lane and Northumberland Street in Broughton, now in Salford, England.  Attractions included a Grand Menagerie, a lake, a maze, an archery ground, and a series of landscaped walks.  The gardens were laid out by a company of local business men, on land rented from the Rev. John Clowes of Broughton Hall, who had become interested in botany and horticulture in later life.  The gardens competed with John Jennison's Belle Vue Zoological Gardens opened three years earlier, but the venture was commercially unsuccessful and closed in 1842.  Some of the animals were acquired by the Belle Vue Zoo, others went to London Zoo and to Hampton Court.

Belle Vue Zoological Gardens: Belle Vue Zoological Gardens was a large zoo, amusement park, exhibition hall complex and speedway stadium in Belle Vue, Manchester, England, opened in 1836.  The brainchild of John Jennison, the gardens were initially intended to be an entertainment for the genteel middle classes, with formal gardens and dancing on open-air platforms during the summer, but they soon became one of the most popular attractions in Northern England.  Before moving to Belle Vue, Jennison, a part-time gardener, had run a small aviary at his home, the beginnings of the zoo that over the years grew to become the third-largest in the United Kingdom.

Racine Zoo: The Racine Zoological Gardens, or Racine Zoo, is a zoo situated on 32 acre on the shore of Lake Michigan in Racine, Wisconsin.  The zoo is operated by the Racine Zoological Society, a non-profit organization.  With more than 100 species of animals, the zoo's collection focuses on species native to Wisconsin, including a room dedicated to reptiles and amphibians indigenous to the state.

Supporting paragraphs: Manchester Zoological Gardens Belle Vue Zoological Gardens
Answer: 1836