Table:
text: United States House of Representatives elections, 1970
Tennessee
Tennessee
District Incumbent Party First_elected Result_ Candidates
Tennessee 4 Joe L. Evins Democratic 1946 Re-elected Joe L. Evins (D) 82.6% J. D. Boles (R) 17.4%
Tennessee 5 Richard Fulton Democratic 1962 Re-elected Richard Fulton (D) 70.6% George Kelly (R) 29.4%
Tennessee 6 William Anderson Democratic 1964 Re-elected William Anderson (D) 81.7% Elmer Davies (R) 18.3%
Tennessee 7 Ray Blanton Democratic 1966 Re-elected Ray Blanton (D) 74.2% W. G. Doss (R) 25.8%
Tennessee 8 Ed Jones Democratic 1969 Re-elected Ed Jones (D) Unopposed

Question: How many districts does Ed Jones represent in the Tennessee United States House of Representatives election, 1970?