Question: The Valley Jr. Warriors play in a city that had what population as of the 2010 census?
Related documents: [0]  [DOC] Haverhill ( ) is a city in Essex County, Massachusetts, United States. The population was 60,879 at the 2010 census. [END] 
[1]  [DOC] The Valley Jr. Warriors are an American Tier III junior ice hockey organization playing in Haverhill, Massachusetts. They have two Tier III teams that play in the Eastern Hockey League (EHL) and the EHL Premier. The organization also fields a number of youth hockey teams at the Bantam, Peewee, and Squirt other various levels. The youth hockey teams compete in the Elite 9 Hockey League and the Mass State Select League. The teams play home games at the Haverhill Valley Forum in Haverhill, Massachusetts. [END] 
Answer: 
60,879
60,879