CREATE TABLE table_27288 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

Name the first elected for alabama 3
SELECT COUNT("First elected") FROM table_27288 WHERE "District" = 'Alabama 3'
SELECT COUNT("First elected") FROM "table_27288" WHERE "District" = 'Alabama 3'