Given the task definition, example input & output, solve the new input case.
Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.
Example: Paragraph: Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit . The Court 's unanimous opinion held that the Tariff Act of 1883 used the ordinary meaning of the words `` fruit '' and `` vegetable , '' instead of the technical botanical meaning .
Question: is tomato a fruit or vegetable us supreme court

Output: vegetable
The answer 'vegetable' is correct as it lies in the sentence - "Nix v. Hedden , 149 U.S. 304 ( 1893 ) , was a decision by the Supreme Court of the United States that , under U.S. customs regulations , the tomato should be classified as a vegetable rather than a fruit ", which is a part of the passage.

New input case for you: Paragraph: The team was founded in 1972 as part of the NHL 's maneuvers to keep a team from rival league World Hockey Association ( WHA ) out of the newly built Nassau Veterans Memorial Coliseum in suburban Uniondale , New York . After two years of building up the team 's roster , they found almost instant success by securing fourteen straight playoff berths starting with their third season . The Islanders won four consecutive Stanley Cup championships between 1980 and 1983 , the seventh of eight dynasties recognized by the NHL in its history . Their 19 consecutive playoff series wins between 1980 and 1984 is a feat that remains unparalleled in the history of professional sports .
Question: when did new york islanders join the nhl

Output:
1972