CREATE TABLE table_58846 ("District" TEXT, "Incumbent" TEXT, "Party" TEXT, "First elected" FLOAT, "Results" TEXT)

What is the total of the first elected year of the incumbent from the washington 8 district?
SELECT COUNT("First elected") FROM table_58846 WHERE "District" = 'washington 8'
SELECT COUNT("First elected") FROM "table_58846" WHERE "District" = 'washington 8'