Question: Which building is on Madison Avenue, 9 DeKalb Avenue or Metropolitan Life Insurance Company Tower?

Context articles: Metropolitan Life North Building
Hedden Construction Company
Metropolitan Life Insurance Company Tower
D. Everett Waid
Flatiron Building
Parkchester, Bronx
9 DeKalb Avenue
Protective Life
Physicians Mutual
Lyceum Theatre (Park Avenue South)

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.
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.
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.
Dan Everett Waid (1864–1939) was a prominent 20th century architect operating primarily in Illinois and New York.
 As chief architect for the Metropolitan Life Insurance Company (New York City), he and his partner designed the Home Office Building at 11 Madison Avenue along with dozens of other commercial, religious, residential and academic structures.
 He was appointed architect for the Board of Foreign Missions of the Presbyterian Church.
 He was also President of the American Institute of Architects (1924–1926).
The Flatiron Building, originally the Fuller Building, is a triangular 22-story steel-framed landmarked building located at 175 Fifth Avenue in the borough of Manhattan, New York City, and is considered to be a groundbreaking skyscraper.
 Upon completion in 1902, it was one of the tallest buildings in the city at 20 floors high and one of only two skyscrapers north of 14th Street – the other being the Metropolitan Life Insurance Company Tower, one block east.
 The building sits on a triangular block formed by Fifth Avenue, Broadway, and East 22nd Street, with 23rd Street grazing the triangle's northern (uptown) peak.
 As with numerous other wedge-shaped buildings, the name "Flatiron" derives from its resemblance to a cast-iron clothes iron.
Parkchester is a planned community originally developed by the Metropolitan Life Insurance Company and located in the southeast Bronx, New York City.
 The neighborhood is part of Bronx Community Board 9.
 Its boundaries, starting from the north and moving clockwise, are East Tremont Avenue to the north, Castle Hill Avenue to the east, the Cross-Bronx Expressway-Westchester Avenue to the south (Westchester Avenue is the southern border east of Metropolitan Avenue), and White Plains Road to the west.
 Metropolitan Avenue is the primary thoroughfare through Parkchester.
 The trains of the New York City Subway operate along Westchester Avenue.
 The local ZIP code is 10462.
 The area is patrolled by the NYPD's 43rd Precinct located at 900 Fteley Avenue in Soundview.
 New York City Housing Authority (NYCHA) property in the area is patrolled by PSA 8 at 2794 Randall Avenue in Throggs Neck.
9 DeKalb Avenue, alternatively referred to as 340 Flatbush Avenue Extension, is a supertall residential skyscraper under construction for Brooklyn, New York being developed by Michael Stern's JDS Development Group and Joseph Chetrit's Chetrit Group.
 When completed it will become the tallest structure in New York City outside Manhattan, as well as the first supertall building in Brooklyn.
Protective Life Corporation is a financial service holding company in Birmingham, Alabama.
 The company’s primary subsidiary, Protective Life Insurance Company, was established in 1907 and now markets its products and services in all 50 states.
 As of December 31, 2016, the corporation had more than 2,700 employees, annual revenues of $4.48 billion and assets of $75 billion.
 In addition to Protective Life Insurance Company, Protective Life Corporation's subsidiaries include West Coast Life Insurance Company, MONY Life Insurance Company, Protective Life And Annuity Insurance Company, ProEquities Inc./Protective Securities, and Lyndon Property Insurance Company.
Physicians Mutual is a privately held insurance company headquartered in Omaha, Nebraska, United States, that consists of Physicians Mutual Insurance Company and Physicians Life Insurance Company.
 Founded as Physicians Mutual Insurance Company in 1902 by Edwin E. Elliott, Physicians Mutual began by selling health insurance to medical professionals.
 Policies were offered to the general public starting in 1962, and by 1970 the company expanded into life insurance when it founded Physicians Life Insurance Company.
 Today the company offers a variety of insurance products, annuities, Medicare, Medigap, Medicare Supplement, Term Life Insurance, Whole Life Insurance, Cancer and funeral pre-planning services.
 It holds over US$3 billion in assets and employs over one thousand people.
 Robert A. Reed is chief executive officer and president.
The Lyceum Theatre was a theatre in New York City located on Fourth Avenue, now Park Avenue South, between 23rd and 24th Streets in Manhattan.
 It was built in 1885 and operated until 1902, when it was torn down to make way for the Metropolitan Life Insurance Company Tower.
 It was replaced by a new Lyceum Theatre on 45th Street.
 For most of its existence, the theatre was home to Daniel Frohman’s Lyceum Theatre Stock Company, which presented many important plays and actors of the day.