[['district', 'incumbent', 'party', 'first elected', 'result', 'candidates'], ['north carolina 2', 'tim valentine', 'democratic', '1982', 're - elected', 'tim valentine (d) unopposed'], ['north carolina 3', 'martin lancaster', 'democratic', '1986', 're - elected', 'martin lancaster (d) unopposed'], ['north carolina 4', 'david e price', 'democratic', '1986', 're - elected', 'david e price (d) 58.0% tom fetzer (r) 42.0%'], ['north carolina 5', 'stephen l neal', 'democratic', '1974', 're - elected', 'stephen l neal (d) 52.6% lyons gray (r) 47.4%'], ['north carolina 6', 'howard coble', 'republican', '1984', 're - elected', 'howard coble (r) 62.5% tom gilmore (d) 37.5%'], ['north carolina 8', 'bill hefner', 'democratic', '1974', 're - elected', 'bill hefner (d) 51.5% ted blanton (r) 48.5%'], ['north carolina 9', 'alex mcmillan', 'republican', '1984', 're - elected', 'alex mcmillan (r) 65.9% mark sholander (d) 34.1%']]
the average year a Candidate was First Elected was 1981
the average year a [ENT] was [ENT] was 1981