Find the number of records of each policy type and its type code.
SELECT policy_type_code ,  count(*) FROM policies GROUP BY policy_type_code
SELECT policy_type_code ,  count(*) FROM policies GROUP BY policy_type_code
[{'Policy_Type_Code': 'Deputy', 'count(*)': 3}, {'Policy_Type_Code': 'Jurisdiction', 'count(*)': 3}, {'Policy_Type_Code': 'Normal', 'count(*)': 1}, {'Policy_Type_Code': 'Uniformed', 'count(*)': 8}]