At 17:31hrs units were dispatched to the reported MVA in the area of Avenue E and Brand Ln. Arriving 3-1/2 minutes later Rescue 21 reported 1-vehicle rolled over into a fence with heavy damage. Scene size-up revealed 2-patients, one requiring extrication, with Rescue 21 personnel entering the vehicle for patient assessment and care as Truck 21 deployed struts for stabilization and began roof removal. With the passenger in the care of Fort Bend County EMS a simple roof cut and flap was performed to allow access to the driver. Upon conformation of the driver having passed the scene was turned over to the Fort Bend County Sheriff’s Office for the investigation. Truck 21 and Battalion 21 remained on scene to provide lighting and assistance until released.