Query:
/api/ec_localdata/?_offset=0
{'conductor': 277350, 'conductor_valuation': 1, 'discriminant_valuation': 10, 'id': 6870474, 'j_denominator_valuation': 10, 'kodaira_symbol': 14, 'lmfdb_label': '277350.y1', 'prime': 3, 'reduction_type': -1, 'root_number': 1, 'tamagawa_number': 2}