Table: congress_elections_4
Columns: district
incumbent
party
first_elected
result
candidates

Question: Who were the candidates in the district where the incumbent was Nathaniel Macon?
SQL: SELECT "candidates" FROM congress_elections_4 WHERE "incumbent" = 'Nathaniel Macon'

Question: What party did the incumbent Joseph Pearson belong to?
SQL: SELECT "party" FROM congress_elections_4 WHERE "incumbent" = 'Joseph Pearson'