CREATE TABLE table_203_150 (id DECIMAL, "season" DECIMAL, "series" TEXT, "team" TEXT, "races" DECIMAL, "wins" DECIMAL, "poles" DECIMAL, "f/laps" DECIMAL, "podiums" DECIMAL, "points" DECIMAL, "position" TEXT)

what is nico rosberg 's total number of wins throughout his career ?
SELECT SUM("wins") FROM table_203_150
SELECT SUM("wins") FROM "table_203_150"