CREATE TABLE table_name_46 (competition VARCHAR, position VARCHAR, event VARCHAR, year VARCHAR)

Which Competition has an Event of 50km, a Year earlier than 2010 and a Position of 3rd?
SELECT competition FROM table_name_46 WHERE event = "50km" AND year < 2010 AND position = "3rd"
SELECT "competition" FROM "table_name_46" WHERE "3rd" = "position" AND "50km" = "event" AND "year" < 2010