Table:
text: 2008–09 Partick Thistle F.C. season
Match results
League
Date_ Opponent Venue Result_ Attendance
1 November 2008 Queen of the South Firhill 2–0 2971
8 November 2008 Clyde Firhill 2–0 3003
22 November 2008 Livingston Firhill 2–1 2416
25 November 2008 Ross County Victoria Park 0–1 1625
13 December 2008 Airdrie United Firhill 2–1 2296
20 December 2008 Dundee Dens Park 0–0 3569
27 December 2008 Ross County Firhill 0–2 2465
30 December 2008 Greenock Morton Cappielow 0–2 2385
3 January 2009 Clyde Broadwood 4–2 2016
17 January 2009 St. Johnstone Firhill 0–0 3353
24 January 2009 Queen of the South Palmerston Park 2–2 2811
31 January 2009 Airdrie United New Broomfield 1–0 1988
14 February 2009 Dunfermline Atthletic Firhill 2–3 2957

text: 2008–09 Partick Thistle F.C. season
Match results
League
Date_ Opponent Venue Result_ Attendance
21 February 2009 Greenock Morton Firhill 1–0 3348
28 February 2009 Livingston Almondvale 4–2 2876
7 March 2009 Clyde Firhill 0–1 3579
10 March 2009 Ross County Victoria Park 2–0 2017
14 March 2009 Dunfermline Atthletic East End Park 1–0 2736
22 March 2009 Dundee Firhill 1–1 3303
4 April 2009 St. Johnstone McDiarmid Park 1–1 4909
11 April 2009 Queen of the South Firhill 0–2 2830
18 April 2009 Greenock Morton Cappielow 1–0 3323
25 April 2009 Livingston Firhill 1–0 2803
2 May 2009 Airdrie United Firhill 0–1 3255
9 May 2009 Dundee Dens Park 0–4 2831

Question: Considering 2008–09 partick thistle fc . Season league match results: What was the attendance on January 31, 2009 when the opponent was Airdrie United?