What is the name of the Democrat who was previously the Lt Governor of Maryland who is currently sitting on a 4th congressional district seat for Anne Arundel County?
Maryland's 4th congressional district: Maryland's 4th congressional district comprises portions of Prince George's County and Anne Arundel County. Maryland's 4th congressional district:  The seat is represented by Anthony G. Brown, a Democrat. Anthony G. Brown:  He previously served as the eighth Lieutenant Governor of Maryland, from 2007 to 2015. Anthony G. Brown:  He was elected as lieutenant governor in 2006 on the Democratic ticket with Governor Martin O’Malley, and both were reelected in 2010.
Anthony G. Brown