Question: Mackenzie Stadium is played in by the team that is part of what Division III conference based in the northeast?
Sentence (from "Mackenzie Stadium"): It was home to the Holyoke Millers and today is used by both the Valley Blue Sox of the New England Collegiate Baseball League (since 2008) and the Elms College Blazers of the New England Collegiate Conference (since 2005).
Relevant evidence: Yes