CREATE TABLE table_18199 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Status" TEXT, "Opponent" TEXT)

How many districts are respresented by Alex McMillan?
SELECT COUNT("Status") FROM table_18199 WHERE "Incumbent" = 'Alex McMillan'
SELECT COUNT("Status") FROM "table_18199" WHERE "Incumbent" = 'Alex McMillan'