Thus, a district court's role in considering summary judgment in a case such as this one is not to resolve contested fact questions which may exist in the underlying administrative record, but rather to determine the legal question of whether the Board's decision was supported by substantial evidence.Varsity Wireless, LLC v. Boxford Zoning Bd. of Appeals, C.A. No. CV15-11833-MLW, 2017 WL 4220575, at *10 (D. Mass. Sept. 22, 2017) (citations omitted). Ultimately, a written decision must contain a "sufficient explanation of the reason for the denial 'to allow a reviewing court to evaluate the evidence supporting those reasons.'"