CREATE TABLE table_5413 ("Season" FLOAT, "Series" TEXT, "Team" TEXT, "Races" FLOAT, "Wins" FLOAT, "Poles" FLOAT, "Position" TEXT)

What is the highest season wth a Win of 1 and a Position that is 8th?
SELECT MAX("Season") FROM table_5413 WHERE "Wins" = '1' AND "Position" = '8th'
SELECT MAX("Season") FROM "table_5413" WHERE "Position" = '8th' AND "Wins" = '1'