for table_name, table_data in tables.items():
        query = '''
                  DELETE FROM {} WHERE year_of_release BETWEEN '{}'::TIMESTAMP AND '{}'::TIMESTAMP
                '''.format(table_name, start_dt, end_dt)
        engine.execute(query)

        table_data.to_sql(name=table_name, con=engine, if_exists='append', index=False)

    print('All done.')