Table:
text: United States House of Representatives elections, 1978
Louisiana
Louisiana
District Incumbent Party First_elected Result_ Candidates
Louisiana 1 Bob Livingston Republican 1977 Re-elected Bob Livingston (R) Unopposed
Louisiana 2 Lindy Boggs Democratic 1973 Re-elected Lindy Boggs (D) Unopposed
Louisiana 3 Dave Treen Republican 1972 Re-elected Dave Treen (R) Unopposed
Louisiana 5 Jerry Huckaby Democratic 1976 Re-elected Jerry Huckaby (D) Unopposed
Louisiana 6 Henson Moore Republican 1974 Re-elected Henson Moore (R) Unopposed
Louisiana 7 John Breaux Democratic 1972 Re-elected John Breaux (D) Unopposed

Question: In what year was Jerry Huckaby first elected to the United States House of Representatives, 1978 in Louisiana?

Question: Since the 1978 United States House of Representatives election, what other candidate has run against Dave Treen in the Louisiana of the other Louisiana?

Question: In what year was Louisiana elected for the first time in the 1978 United States House of Representatives election?

Question: In which district did Dave Treen serve in the 1978 United States House of Representatives election, Louisiana?