CREATE TABLE table_18452 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Result" TEXT, "Candidates" TEXT)

How many districts have W. Arthur Winstead as elected official?
SELECT COUNT("District") FROM table_18452 WHERE "Incumbent" = 'W. Arthur Winstead'
SELECT COUNT("District") FROM "table_18452" WHERE "Incumbent" = 'W. Arthur Winstead'