question: Which party was the incumbent from when the cadidates were henry e. barbour (r) 52.1% henry hawson (d) 47.9%?  Answer: Democratic
answer: SELECT COUNT(party) FROM table_1346118_5 WHERE candidates = "Henry E. Barbour (R) 52.1% Henry Hawson (D) 47.9%"
context: CREATE TABLE table_1346118_5 (party VARCHAR, candidates VARCHAR)