Table: kemboi_results
Columns: year
competition
venue
position
notes

Question: What was the venue of the competition that held the 1st position in 2011?
SQL: SELECT "venue" FROM kemboi_results WHERE "position" = '1st' AND "year" = 2011

Question: What was the position of the Olympic Games in the year 2008?
SQL: SELECT "position" FROM kemboi_results WHERE "competition" = 'olympic games' AND "year" = 2008

Question: Which competition held the 1st position in 2009?
SQL: SELECT "competition" FROM kemboi_results WHERE "position" = '1st' AND "year" = 2009

Question: Which venue did the African Championships have after 2006 with a position of 2nd and 3000 m s'chase in notes?
SQL: SELECT "venue" FROM kemboi_results WHERE "year" > 2006 AND "notes" = '3000 m s''chase' AND "position" = '2nd' AND "competition" = 'african championships'