Table:
text: List of Hartlepool United F.C. managers
Managers
Managers
Nationality Matches Drawn Lost Win_
England 15 7 5 20.0
Northern Ireland 133 29 46 43.6
England 81 19 39 28.4
England 74 17 31 35.1
England 3 0 2 33.3
Scotland 40 14 19 17.5
England 4 1 3 0.0
Scotland 16 4 7 31.25
England 16 3 6 43.8

Question: From the list of Hartlepool United FC managers who had lost games of 15 and a win % less than 20, what was the most?