TASK DEFINITION: In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.
PROBLEM: 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. Question: 80 South Street and One World Trade Center, are located in which city? Answer: New York City

SOLUTION: 80 South Street is a residential skyscraper proposed for construction in New York City.

PROBLEM: Mary–Ann Eisel (born November 25, 1946) is an American former tennis player. She was the US Open mixed doubles champion in 1968. Question: Are Rod Laver and Mary-Ann Eisel both nationals of the same country ? Answer: no

SOLUTION: Mary–Ann Eisel born November 25, 1946 is an American former tennis player.

PROBLEM: "Birthday" is a song written by Lennon–McCartney and performed by the Beatles on their double album "The Beatles" (often known as "the White Album"). It is the opening track on the third side of the LP (or the second disc in CD versions of the record). The song is an example of the Beatles' return to more traditional rock and roll form, although their music had increased in complexity and it had developed more of its own characteristic style by this point. Surviving Beatles McCartney and Ringo Starr performed it for Starr's 70th birthday at Radio City Music Hall on 7 July 2010. Question: Underground Sunshine's only hit single was their cover of a Beatles song from which album? Answer: the White Album

SOLUTION:
Birthday is a song written by Lennon–McCartney and performed by the Beatles on their double album The Beatles often known as the White Album.