Как отфильтровать объекты в Django? используя OR и AND

Question

salary_band = request.POST['salary_band']

decipline = request.POST['decipline']

role = request.POST['role']

find_role = Role.objects.filter(role = role)

find_decipline = Decipline.objects.filter(name = decipline)

find_sal_band = SalaryBand.objects.filter(sequencenter code heree_number = int(salary_band), role = find_role, decipline = find_decipline).exists()