CREATE TABLE table_28846 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

How many times did the incumbent was first elected and then lost re-election anti-masonic gain?
SELECT COUNT("First elected") FROM table_28846 WHERE "Result" = 'Lost re-election Anti-Masonic gain'
SELECT COUNT("First elected") FROM "table_28846" WHERE "Result" = 'Lost re-election Anti-Masonic gain'