CREATE TABLE table_name_92 (co_drivers VARCHAR, team VARCHAR, pos VARCHAR, year VARCHAR)

Who were the co-drivers for the Racing Organisation Course team in years before 2011, who had a position of DNF?
SELECT co_drivers FROM table_name_92 WHERE pos = "dnf" AND year < 2011 AND team = "racing organisation course"
SELECT "co_drivers" FROM "table_name_92" WHERE "dnf" = "pos" AND "racing organisation course" = "team" AND "year" < 2011