Table: election_results_1944
Columns: district
incumbent
party
first_elected
result
candidates

Question: How many parties does incumbent carl vinson represent?
SQL: SELECT COUNT("party") FROM election_results_1944 WHERE "incumbent" = 'Carl Vinson'

Question: How many parties does incumbent stephen pace represent?
SQL: SELECT COUNT("party") FROM election_results_1944 WHERE "incumbent" = 'Stephen Pace'