Table: election_results_2000
Columns: district
incumbent
party
first_elected
results
candidates

Question: Which party does the incumbent first elected in 1994 belong to?
SQL: SELECT "party" FROM election_results_2000 WHERE "first_elected" = 1994

Question: How many districts have Bart Stupak as the incumbent?
SQL: SELECT COUNT("district") FROM election_results_2000 WHERE "incumbent" = 'Bart Stupak'