Table: match_stats_3
Columns: date
opponent
venue
result
attendance

Question: What was the attendance on 31 January 2009 when the opponent was Airdrie United?
SQL: SELECT AVG("attendance") FROM match_stats_3 WHERE "opponent" = 'airdrie united' AND "date" = '31 january 2009'

Question: In what venue was the event held on 14 February 2009?
SQL: SELECT "venue" FROM match_stats_3 WHERE "date" = '14 february 2009'

Question: What is the average attendance for all events held at Palmerston Park venue?
SQL: SELECT AVG("attendance") FROM match_stats_3 WHERE "venue" = 'palmerston park'