Table: election_results_1962_4
Columns: district
incumbent
party
first_elected
result
candidates

Question: How many districts represented Edwin E. Willis?
SQL: SELECT COUNT("district") FROM election_results_1962_4 WHERE "incumbent" = 'Edwin E. Willis'

Question: Who were all the candidates when the first elected year was 1961?
SQL: SELECT "candidates" FROM election_results_1962_4 WHERE "first_elected" = 1961

Question: What party did Hale Boggs belong to?
SQL: SELECT "party" FROM election_results_1962_4 WHERE "incumbent" = 'Hale Boggs'