CREATE TABLE table_35813 ("Year" FLOAT, "Class" TEXT, "Team" TEXT, "Points" FLOAT, "Rank" TEXT, "Wins" FLOAT)

What was the rank of the 1983 team in the 250cc class?
SELECT "Rank" FROM table_35813 WHERE "Class" = '250cc' AND "Year" = '1983'
SELECT "Rank" FROM "table_35813" WHERE "Class" = '250cc' AND "Year" = '1983'