[['district', 'incumbent', 'party', 'first elected', 'results'], ['louisiana 1', 'bobby jindal', 'republican', '2004', 're - elected'], ['louisiana 2', 'bill jefferson', 'democratic', '1990', 're - elected in runoff'], ['louisiana 3', 'charlie melancon', 'democratic', '2004', 're - elected'], ['louisiana 4', 'jim mccrery', 'republican', '1988', 're - elected'], ['louisiana 5', 'rodney alexander', 'republican', '2002', 're - elected'], ['louisiana 6', 'richard baker', 'republican', '1986', 're - elected'], ['louisiana 7', 'charles boustany', 'republican', '2004', 're - elected']]
3 House Of Representative Incumbent were First Elected in 2004
3 [ENT] [ENT] were [ENT] in [ENT]