Table:
text: 1921–22 Manchester United F.C. season
First Division
First Division
Date_ Opponents H_A Result_F_A Scorers Attendance_
14 January 1922 Newcastle United H 0–1  20000
21 January 1922 Sunderland A 1–2 Sapsford 10000
28 January 1922 Sunderland H 3–1 Lochhead, Sapsford, Spence 18000
11 February 1922 Huddersfield Town H 1–1 Spence 30000
18 February 1922 Birmingham A 1–0 Spence 20000
25 February 1922 Birmingham H 1–1 Sapsford 35000
27 February 1922 Huddersfield Town A 1–1 Sapsford 30000
11 March 1922 Arsenal H 1–0 Spence 30000
18 March 1922 Blackburn Rovers H 0–1  30000
25 March 1922 Blackburn Rovers A 0–3  15000
1 April 1922 Bolton Wanderers H 0–1  28000
5 April 1922 Arsenal A 1–3 Lochhead 25000
8 April 1922 Bolton Wanderers A 0–1  28000

text: 1921–22 Manchester United F.C. season
First Division
First Division
Date_ Opponents H_A Result_F_A Scorers Attendance_
29 October 1921 Manchester City H 3–1 Spence (3) 56000
5 November 1921 Middlesbrough H 3–5 Lochhead, Sapsford, Spence 30000
12 November 1921 Middlesbrough A 0–2  18000
19 November 1921 Aston Villa A 1–3 Spence 30000
26 November 1921 Aston Villa H 1–0 Henderson 33000
3 December 1921 Bradford City A 1–2 Spence 15000
10 December 1921 Bradford City H 1–1 Henderson 9000
17 December 1921 Liverpool A 1–2 Sapsford 40000
24 December 1921 Liverpool H 0–0  30000
26 December 1921 Burnley H 0–1  15000
27 December 1921 Burnley A 2–4 Lochhead, Sapsford 10000
31 December 1921 Newcastle United A 0–3  20000
2 January 1922 Sheffield United A 0–3  18000

text: 1921–22 Manchester United F.C. season
First Division
First Division
Date_ Opponents H_A Result_F_A Scorers Attendance_
27 August 1921 Everton A 0–5  30000
29 August 1921 West Bromwich Albion H 2–3 Partridge, Robinson 20000
3 September 1921 Everton H 2–1 Harrison, Spence 25000
7 September 1921 West Bromwich Albion A 0–0  15000
10 September 1921 Chelsea A 0–0  35000
17 September 1921 Chelsea H 0–0  28000
24 September 1921 Preston North End A 2–3 Lochhead, Partridge 25000
1 October 1921 Preston North End H 1–1 Spence 30000
8 October 1921 Tottenham Hotspur A 2–2 Sapsford, Spence 35000
15 October 1921 Tottenham Hotspur H 2–1 Sapsford, Spence 30000
22 October 1921 Manchester City A 1–4 Spence 24000

Question: How many Manchester United FC games in the 1921/22 season were not attended by at least 15,000 spectators?