sentences:  In 1962, construction preparations for the Dan Ryan Expressway necessitated the demolition of Hardin Square and Stanford Parks, the only two public parks that serviced the Chinatown community.In the mid-1970s, a small, park was developed on a strip of land between 26th Street and the Stevenson Expressway; the Chicago Park District purchased the park in 1977 and named it Sun Yat-sen Playlot Park.However, in a 1992 study, 75 percent of Chinatown's community leaders and 49 percent of business leaders felt that "the lack of open space in the Chinatown area is one of the most serious problems faclng the community", and both groups ranked it first among 15 community issues, including crime, education, housing, and employment.