Table:
text: United States House of Representatives elections, 1978
Georgia
Georgia
District Incumbent Party First_elected Result_ Candidates
Georgia 1 Ronald Bo Ginn Democratic 1972 Re-elected Ronald Bo Ginn (D) Unopposed
Georgia 2 Dawson Mathis Democratic 1970 Re-elected Dawson Mathis (D) Unopposed
Georgia 3 Jack Thomas Brinkley Democratic 1966 Re-elected Jack Thomas Brinkley (D) Unopposed
Georgia 6 John James Flynt, Jr. Democratic 1954 Retired Republican gain Newt Gingrich (R) 54.4% Virginia Shapard (D) 45.6%
Georgia 8 Billy Lee Evans Democratic 1976 Re-elected Billy Lee Evans (D) Unopposed
Georgia 9 Ed Jenkins Democratic 1976 Re-elected Ed Jenkins (D) 76.9% David G. Ashworth (R) 23.1%

Question: How many incumbent politicians were originally elected in the 1972 United States House of Representatives and 1978 Georgia elections?

Question: How many parties are there in Georgia in the 1978 United States House of Representatives election that Dawson Mathis participated in?