A Skowhegan man pleaded guilty Friday for his role in a drive by shooting spree that took place over a three hour span in the Waterville area in January.After reaching an agreement with the district attorney, Dana Dasilva, 25, admitted to shooting at homes from the backseat of a vehicle driven by his then girlfriend Michelle Luce.One of the shots Dasilva fired went into a window, striking a chair that a man was sitting in.That man escaped injury. Prosecutors called that a miracle.Dasilva was ordered to spend five years and one day at the Maine State Prison, followed by several years of probation.Charges against Luce are still pending, according to authorities.