Question: Which building was completed first, the Silver Towers or Madison Square Park Tower?

Context paragraphs:
Madison Square Park Fountain: The Madison Square Fountain, also known as the Southern Fountain, is an ornamental fountain located in Madison Square Park in Madison Square, Manhattan, New York.  It was the only one of several planned fountains to be realized.  The current fountain is a modern reproduction of the original, installed in 1990 and renovated in 2015.

Shinjuku Park Tower: The Shinjuku Park Tower (新宿パークタワー , Shinjuku Pāku Tawā ) is the second-tallest building in Shinjuku, Tokyo.  It was designed by Kenzo Tange and completed in 1994.  Shinjuku Park Tower has 3 elements; S tower, which is 235 m (771 ft) tall with 52 stories, C tower which is 209 m (686 ft) tall with 47 stories and N tower which is 182 m (597 ft) tall with 41 stories.  Floors 1 to 8 are occupied by retail stores, floors 9 to 37 are office floors and floors 39 to 52 are occupied by the luxury Park Hyatt Tokyo hotel, which was featured in the film "Lost In Translation".

The Grand Madison: The Grand Madison, originally the Brunswick Building, is a landmarked historic building located at 225 Fifth Avenue between East 26th Street and East 27th Street in Manhattan, New York City, on the north side of Madison Square Park.  The building is part of the Madison Square North Historic District, and is located in the neighborhood known as NoMad ("NOrth of MADison Square Park").

Silver Towers: The Silver Towers are twin residential buildings in the Hell's Kitchen (also referred to as Clinton) neighborhood of Manhattan, New York City.  The 60-story buildings stand on the west side of Eleventh Avenue between 41st Street and 42nd Street near the Hudson River and contain 1,359 units.  The project includes a 75 ft pool, the largest in a New York City residential building, as well as a quarter-acre public park on the west side of the towers.  The Silver Towers were completed in June 2009.

Madison Square Park Tower: Madison Square Park Tower, previously 45 East 22nd Street, is, as of July 2017, a topped-out skyscraper located between Broadway and Park Avenue South in the Flatiron District neighborhood of Manhattan New York City.  The building was designed by Kohn Pedersen Fox and developed by Ian Bruce Eichner's Continuum Company.  When completed it will be the tallest building between Midtown and the Manhattan Financial District.  It was the second skyscraper to be built on that block, the first being One Madison.

One Park Tower (Mississauga): One Park Tower is a skyscraper located in the city of Mississauga, Ontario, Canada.  It was completed in 2008, stands at 142 meters, and has 38 floors, making it the third tallest building in Mississauga as of 2011.  One Park Tower was the tallest building in the city at the time of its completion, but was soon surpassed by the Absolute World towers, standing at 168 and 151 meters.  The building is used as a residential condominium.

Madison Square and Madison Square Park: Madison Square is a public square formed by the intersection of Fifth Avenue and Broadway at 23rd Street in the New York City borough of Manhattan.  The square was named for James Madison, fourth President of the United States.  The focus of the square is Madison Square Park, a 6.2 acre public park, which is bounded on the east by Madison Avenue (which starts at the park's southeast corner at 23rd Street); on the south by 23rd Street; on the north by 26th Street; and on the west by Fifth Avenue and Broadway as they cross.

Madison Square Garden Towers: The Madison Square Garden Towers were the name of proposed twin 1400 ft residential skyscrapers that were to be constructed north of Madison Square Garden in Midtown Manhattan, New York City.  The project featured a complex of seven buildings, including a stadium and a new Penn Station.  The cost of the project was US$14 billion.  The architects Norman Foster and David Childs, and the architectural firm Skidmore, Owings and Merrill were designing the project.  The owners were Stephen Ross of Related Cos. and Steven Roth of Vornado Realty Trust.  The towers would have risen to be two of the tallest structures in the Midtown Manhattan skyline, with one rising higher than the Empire State Building, currently one of New York's tallest buildings at 1,250 feet (381 m) and would also have been higher than the roof, though not the spire, of One World Trade Center.  The towers are essentially canceled as Madison Square Garden is going ahead with renovations of the current arena, rather than a relocation that would have made the towers possible.

Metropolitan Life Insurance Company Tower: The Metropolitan Life Insurance Company Tower, colloquially known as the Met Life Tower, is a landmark skyscraper located on Madison Avenue near the intersection with East 23rd Street, across from Madison Square Park in Manhattan, New York City.  Designed by the architectural firm of Napoleon LeBrun & Sons and built by the Hedden Construction Company, the tower is modeled after the Campanile in Venice, Italy.  The hotel located in the clock tower portion of the building has the address 5 Madison Avenue, while the office building covering the rest of the block, occupied primarily by Credit Suisse, is referred to as 1 Madison Avenue.

Metropolitan Life North Building: The Metropolitan Life North Building, now known as Eleven Madison, is a 30-story art deco skyscraper on Madison Square Park in Manhattan, New York City, at 11-25 Madison Avenue.  The building is bordered by East 24th Street, Madison Avenue, East 25th Street and Park Avenue South, and is connected by an elevated walkway to the Met Life Tower just south of it.  The North Building was built on the site of Richard Upjohn's original Madison Square Presbyterian Church.  The second church, designed by Stanford White of McKim, Mead and White was built in 1906, across 24th street on land conveyed by Metropolitan Life.  As part of the Metropolitan Life Home Office Complex, the North Building was added to the National Register of Historic Places on January 19, 1996.

Supporting paragraphs: Silver Towers Madison Square Park Tower
Answer: The Silver Towers