Question: Which tower was planned to be higher of 590 Madison Avenue and 80 South Street?

Context paragraphs:
Tinley Park station: Tinley Park Station (also known as Tinley Park-Oak Park Avenue Station) is an elaborate commuter railroad station along Metra's Rock Island District line in Tinley Park, Illinois.  The station is officially located at 6700 South Street between Oak Park Avenue and 66th Court, however parking is also available on the opposite side of the station along North Street between Oak Park Avenue and 67th Avenue, as well as the center of the block of Oak Park Avenue, 173rd Street, 67th Court and 172nd Street.  Another parking area exists along South Street opposite the main parking lot at the station.  The station itself is lies 23.5 mi away from LaSalle Street, the northern terminus of the line.

80 South Street: 80 South Street is a residential skyscraper proposed for construction in New York City.  The building was planned for construction in Lower Manhattan, and designed by renowned Spanish architect Santiago Calatrava.  However, the project was cancelled on April 16, 2008 in the wake of a declining real estate market.  A new design of the building is without the spire, decreasing the tower to 826 feet, was planned to finish in 2016.  China Oceanwide Holdings Limited acquired 80 South Street in March 2016, with plans to create a 113-story tower.

Squadron A Armory: The Squadron A Armory is a former United States Army armory and the homebase of Squadron A.  It took up the whole block between Madison Avenue and Park Avenue, between 94th and 95th Street.  It was therefore also known as the Madison Avenue Armory.  A surviving part of the building is listed on the National Register of Historic Places as Madison Avenue Facade of the Squadron A Armory and is a New York City landmark.

590 Madison Avenue: 590 Madison Avenue also known as the IBM Building, is a 603 ft tall skyscraper at the corner of East 57th Street and Madison Avenue in New York City, New York.  It was completed in 1983 and has 41 floors.  The building cost US$10 million, has 93592 m2 of floor area, has 24 elevators, and is the 89th tallest building in New York.  Edward Larrabee Barnes & Associates designed the building, and IBM developed it.  IBM sold the tower to Odyssey in 1994.  As of December 2007, 98% of the building is leased.

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.

Madison Avenue Baptist Church: The Madison Avenue Baptist Church was first chartered in 1848 as Rose Hill Baptist Sunday School and Church, on East 30th Street between Third and Lexington Avenues in Manhattan, New York City.  Rose Hill was a house church with twelve members.  In 1849, Rose Hill Baptist became the Lexington Avenue Baptist Church with twenty-eight members at 154 Lexington Avenue and 30th Street in a new Lombardian Romanesque-style edifice, which is now the First Moravian Church.  Prominent Baptist Jeremiah Milbank – developer of condensed milk with inventor Gail Borden – and other congregational leaders, including the Colgate family, decided to move the church east in order to avoid the falling cinders emitted by the nearby Third Avenue elevated railroad.  Five lots at East 31st Street and Madison Avenue became the site of a grand new structure, built in 1858.

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.

Indianapolis Old Southside Historic District: An area in the City of Indianapolis known as Historic Old Southside, being that area bounded on the north by South Street, on the south by the CSX Railroad/Adler Street, on the east by Madison Avenue, and on the west by White River.  Zip Code 46225

Cermak Road: Cermak Road, also known as 22nd Street, is a 19-mile-long, major east-west street on Chicago's near south and west sides and the city's western suburbs.  In Chicago's street numbering system, Cermak is 2200 south, or twenty-two blocks south of the baseline, Madison Street (Chicago).  Normally, one mile comprises eight Chicago blocks, but the arterial streets Roosevelt Road, formerly named Twelfth Street and at 1200 South, and Cermak Road (Twenty-Second Street) were platted before the eight-blocks-per-mile plan was implemented.  Roosevelt Road is one mile south of Madison Avenue and there are twelve blocks within that mile.  Cermak Road is two miles south of Madison Avenue and there are ten blocks within the mile between Roosevelt and Cermak Roads.

South Street Diner: South Street Diner is a 24-hour, seven-night-a-week diner in Boston's Leather District.  The Diner was built in 1947 by the Worcester Dining Company.  It was originally named the Blue Diner.  The diner is known for attracting many after-hours customers.  Whether you're craving dessert or breakfast, head on over this 24-hour joint at any time to fulfil your cravings.  Busiest hours are anywhere between 1 and 4 in the morning when all the night owls rush in for the Boston Cream Pancakes.  It was named Best of Boston by Boston Magazine, as well as named for The Best Late Night Food in the U.S.A. by Esquire.  Thrillist Media Group named South Street Diner one of the best 24-Hour Diners in the country.  The Diner has been the set of many films including Hiding Out, Second Sight, and House Guest.  South Street Diner was featured in the Boston episode of Esquire Network's "The Getaway" hosted by Paul Feig.  The episode aired November 13, 2013.  South Street Diner was most recently featured in an issue of DC Comics' "Batgirl".  More recent appearances also include the films, The Equalizer with Denzel Washington; 21 with Kevin Spacey; and The Blue Diner for PBS.  On top of all that, thousands of people have been crowding to this famous eatery to collect points while playing the popular mobile game, Pokemon Go and the owner Sol Sidell is bringing back his famed Customer Appreciation Day on September 18 from 2-6PM.

Supporting paragraphs: 590 Madison Avenue 80 South Street
Answer: 80 South Street