CREATE TABLE table_47518 ("Season" FLOAT, "Premiered" TEXT, "Bachelorette" TEXT, "Profile" TEXT, "Winner" TEXT, "Runner ( s ) -Up" TEXT, "Proposal" TEXT)

What is the earliest season with an advertising account manager profile?
SELECT MIN("Season") FROM table_47518 WHERE "Profile" = 'advertising account manager'
SELECT MIN("Season") FROM "table_47518" WHERE "Profile" = 'advertising account manager'