Table: sergey_bakulin_race_walk
Columns: year
competition
venue
position
event

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

Question: What is the Position for the European U23 Championships?
SQL: SELECT "position" FROM sergey_bakulin_race_walk WHERE "competition" = 'european u23 championships'

Question: Which Event has 5th Position in the European Championships Competition?
SQL: SELECT "event" FROM sergey_bakulin_race_walk WHERE "competition" = 'european championships' AND "position" = '5th'

Question: What Position is listed against a Venue of Debrecen, Hungary
SQL: SELECT "position" FROM sergey_bakulin_race_walk WHERE "venue" = 'debrecen, hungary'