What's the average mans's wheelchair when womans's wheelchair less than 0?
Country Men's race Women's race Men's wheelchair Women's Wheelchair Total
List of winners of the London Marathon
15413275
text real real real real real
2-15413275-5
Victories by nationality
Victories by nationality
United Kingdom 6 7 13 14 40
Kenya 9 7 0 0 16
Norway 1 6 0 0 7
Ireland 0 1 2 3 6
United States 2 1 0 3 6
Germany 0 5 0 0 5
Mexico 3 0 2 0 5
Ethiopia 3 1 0 0 4
Italy 0 0 0 4 4
Portugal 3 1 0 0 4
Switzerland 0 0 3 1 4
Canada 0 0 3 0 3
Denmark 1 0 0 2 3
France 0 0 3 0 3
Japan 2 0 0 1 3
Sweden 0 0 1 2 3
Australia 0 0 2 0 2
Morocco 2 0 0 0 2
Poland 0 2 0 0 2
Russia 1 1 0 0 2
Belgium 0 0 1 0 1
China 0 1 0 0 1
Spain 1 0 0 0 1
SELECT AVG Men's wheelchair FROM table WHERE Women's Wheelchair < 0
0