For each denomination, return the denomination and the count of schools with that denomination.
SELECT Denomination ,  COUNT(*) FROM school GROUP BY Denomination
SELECT Denomination ,  COUNT(*) FROM school GROUP BY Denomination
[{'Denomination': 'Anglican', 'COUNT(*)': 3}, {'Denomination': 'Catholic', 'COUNT(*)': 2}, {'Denomination': 'Uniting Church', 'COUNT(*)': 1}]