sentences:  Dan O'Halloran
  
  Dan O'Halloran (born March 25, 1964 in Essex, Ontario) is a National Hockey League referee, who wears uniform number 13.He was one of the selected referees who officiated the 2007, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, and the 2017 Stanley Cup Finals.