from django.db import models

class MyModel(models.Model):
    name = models.CharField(max_length=30)
    result = models.IntegerField()

def MyView(request):
    foo = MyModel.objects.order_by('result')
    return render_to_response('foo.html', {'foo': foo})

def MyView(request):
    foo = MyModel.objects.all()
    foo = foo.extra(select={'result': 'CAST(result AS INTEGER)'}).extra(order_by = ['result'])
    return render_to_response('foo.html', {'foo': foo})

def MyView(request):
    foo = MyModel.objects.all()
    foo = MyModel.objects.filter(result__gt = 50)