Question: What American Thoroughbred horse race facility in Elmont, New York opened on May 4, 1905 and has a $500,000 purse starting in 2016?

Related documents: [0]  [DOC] Belmont Park is a major Thoroughbred horse-racing facility located in Elmont, New York, just outside New York City limits. It first opened on May 4, 1905. It is typically open for racing from late April through mid-July (known as the Spring meet), and again from mid-September through late October (the Fall meet). [END] 
[1]  [DOC] The New York Stakes is an American Thoroughbred horse race held annually at Belmont Park in Elmont, Long Island, New York. A Grade II event open to fillies and mares age four and older, it is contested on turf at a distance of one and one-quarter miles (10 furlongs). In 2015, the date for the race was moved to the Friday before the Belmont Stakes as part of the Belmont Racing Festival. For 2016, the purse was increased to $500,000. [END]  
Answer: Belmont Park
Belmont Park