CREATE TABLE table_18114 ("District" CLOB, "Incumbent" CLOB, "Party" CLOB, "First elected" FLOAT, "Results" CLOB, "Candidates" CLOB)

How many districts have Bart Stupak as the incumbent?
SELECT COUNT("District") FROM table_18114 WHERE "Incumbent" = 'Bart Stupak'
SELECT COUNT("District") FROM "table_18114" WHERE "Incumbent" = 'Bart Stupak'