CREATE TABLE table_34516 ("Year" FLOAT, "Champion" TEXT, "Country" TEXT, "Venue" TEXT, "Location" TEXT, "Score" TEXT, "To par" TEXT, "Purse  (  $  ) " FLOAT, "Winner's share  ( $ ) " FLOAT)

Which Year is the highest one that has a Venue of blackwolf run, composite course, and a Score of 281?
SELECT MAX("Year") FROM table_34516 WHERE "Venue" = 'blackwolf run, composite course' AND "Score" = '281'
SELECT MAX("Year") FROM "table_34516" WHERE "Score" = '281' AND "Venue" = 'blackwolf run, composite course'