Question: Which architectural development had more towers, 80 Flatbush or Latting Observatory?

full_context: Document 1: New York Tribune Building: The New York Tribune Building was a building built by Richard Morris Hunt in 1875 in New York City. It was built as the headquarters of the New York Tribune, and was a brick and masonry structure topped by a Clock Tower. It was 260 ft tall and when new the second-tallest building in New York, after Trinity Church. It was demolished in 1966.
Document 2: Mixed-use development: Mixed-use development is a type of urban development that blends residential, commercial, cultural, institutional, or industrial uses, where those functions are physically and functionally integrated, and that provides pedestrian connections. Mixed-use development can take the form of a single building, a city block, or entire neighbourhoods. The term may also be used more specifically to refer to a mixed-use real estate development project—a building, complex of buildings, or district of a town or city that is developed for mixed-use by a private developer, (quasi-) governmental agency, or a combination thereof.
Document 3: Bridge Plaza, Brooklyn: Bridge Plaza is the northeastern corner of the downtown area of the New York City borough of Brooklyn. Its borders are Flatbush Avenue Extension and Manhattan Bridge on the west, Tillary Street on the south, and the Brooklyn-Queens Expressway (BQE) on the north and east.
Document 4: Brooklyn Bridge Park: Brooklyn Bridge Park is an 85 acre park on the Brooklyn side of the East River in New York City. Designed by landscape architecture firm Michael Van Valkenburgh Associates, the park has revitalized 1.3 mi of Brooklyn's post-industrial waterfront from Atlantic Avenue in the south, under the Brooklyn Heights Promenade and past the Brooklyn Bridge, to Jay Street north of the Manhattan Bridge. The site includes Brooklyn Piers 1–6, the historic Fulton Ferry Landing, and the preexisting Empire–Fulton Ferry and Main Street Parks. Two Civil War-era structures, Empire Stores and the Tobacco Warehouse, will also be integrated into the park. After the city and state signed a joint agreement in 2002, site planning and project funding proceeded, with construction started in 2008 using land reclaimed using soil from the new World Trade Center site.
Document 5: Barclay Tower: The Barclay Tower is a skyscraper located in the Tribeca neighborhood of Lower Manhattan, New York City. The residential building rises 673 ft above street level, containing 56 floors for 441 rental units. Construction of the building lasted from 2005 to 2007, with the topping out ceremony happening in Fall 2006. This tower block is also one of the tallest new residential buildings in New York City.
Document 6: Manhattan West: Manhattan West is a 5400000 sqft mixed-use development by Brookfield Properties. The project consists of two large office towers and two smaller residential towers, as well as a 1.5 acre public park. The towers will be built on a platform over Penn Station storage tracks along Ninth Avenue. The buildings will be built close to the developing Hudson Yards region between 31st and 33rd streets. These two buildings have been proposed as of 2010 . Upon its completion the taller west tower will extend 995 ft up to its roof and will be one of the tallest buildings in New York City and the world.
Document 7: Prospect Plaza Houses: The Prospect Plaza Houses was a 4.53 acre complex owned by the New York City Housing Authority in the Ocean Hill section of Brooklyn. It had four buildings, 12 and 15-stories tall with 368 apartments. Completed June 30, 1974, it is bordered by St. Marks and Sterling Place, Howard and Saratoga Avenues. At one time the residents numbered approximately 1,171 residents. Today there are no residents. Many residents left after signing a deal under a plan called HOPE VI. According to reports the deal offered residents of Prospect Plaza Houses temporary townhouse styled housing while their apartments were renovated. Many of these residents were instead given vouchers to alternative Section 8 housing. Many former residents have expressed dissatisfaction with what they claim was an unfair deal to remove them in order for the city to turn the buildings into condominiums and bring in more money.
Document 8: Hedden Construction Company: Some of the finest buildings in New Jersey, New York City, and other large eastern cities were built by the Hedden Construction Company, one of the largest construction companies operating in Newark in the very early 1900s. Among the most notable is the Metropolitan Life Insurance Company Tower located at One Madison Avenue in New York, NY. The tower was the world's tallest building from 1909 to 1913 and home to the Hedden Construction Company's main offices located on the 36th and 37th floors. During this prosperous period over $40,000,000 in construction contracts and payments were collected by the firm.
Document 9: Vessel (structure): Vessel is a public structure and landmark that is under construction as part of the Hudson Yards redevelopment project in the Manhattan borough of New York City. The elaborate honeycomb-like structure is designed to rise 16 stories and consist of 154 flights of stairs, 2,500 steps, and 80 landings. When complete, visitors would be able to climb the installation. Designed by the British architect Thomas Heatherwick, "Vessel" is intended to be the main feature of the 5 acre Hudson Yards Public Square once the structure is completed in 2018 at a cost of $150 million to $200 million.
Document 10: Hudson Yards, Manhattan: Hudson Yards is a large-scale redevelopment program that is planned, funded and constructed under a set of agreements among the City of New York, the State of New York, and the Metropolitan Transportation Authority, with the aim of expanding the Midtown Manhattan Business District westward to the Hudson River. The program includes a major rezoning of the Far West Side, an extension of the New York City Subway's trains to a new subway station at 34th Street and 11th Avenue, a renovation and expansion of the Jacob K. Javits Convention Center, and a financing plan to fund the various components.
Document 11: 56 Leonard Street: 56 Leonard Street is an 821 ft tall, 57-story skyscraper on Leonard Street in Tribeca, New York City, United States. Herzog & de Meuron describes the building as "houses stacked in the sky." It is the tallest structure in Tribeca.
Document 12: Brooklyn Community Board 2: Brooklyn Community Board 2 is a New York City community board that encompasses the Brooklyn neighborhoods of Downtown Brooklyn, Brooklyn Heights, DUMBO, Vinegar Hill, Fulton Mall, Boerum Hill, Fort Greene, Brooklyn Navy Yard, Fulton Ferry, and Clinton Hill. It is delimited by East River on the west and the north, by Kent and Classon Avenues on the east, and by Atlantic Avenue, Pacific Street, Fourth Avenue, Warren and Court Streets on the south.
Document 13: 8 Spruce Street: 8 Spruce Street, originally known as Beekman Tower and currently marketed as New York by Gehry, is a 76-story skyscraper designed by architect Frank Gehry in the New York City borough of Manhattan at 8 Spruce Street, between William and Nassau Streets, in Lower Manhattan, just south of City Hall Park and the Brooklyn Bridge.
Document 14: Latting Observatory: The Latting Observatory was a wooden tower in New York City built as part of the 1853 Exhibition of the Industry of All Nations, adjoining the New York Crystal Palace. It was located on the North side of 42nd Street between Fifth Avenue and Sixth Avenue across the street from the site of present-day Bryant Park. Conceived by Waring Latting and designed by architect William Naugle, the observatory was an octagonally-based, iron-braced wooden tower 315 ft high adjoining the Crystal Palace, with landings at three levels on the structure, allowing visitors to see into Queens, Staten Island and New Jersey. The tower, taller than the spire of Trinity Church at 290 ft , was the tallest structure in New York City from the time it was constructed in 1853 until it burned down in 1856. The tower's base was a 75-foot square, tapering to a top of six to eight feet. It could handle up to 1,500 people at a time.
Document 15: 80 Flatbush: 80 Flatbush is a mixed-use development encompassing two towers, proposed for the Brooklyn borough of New York City by Alloy Development. The site is in Downtown Brooklyn near Boerum Hill and Fort Greene. The completion of the project is contingent on the rezoning of the site owned by Alloy.
ground_truth: 80 Flatbush