["region:us"]
[{"name": "iter_1_best_query_response", "sequence": "int64"}, {"name": "iter_1_worst_query_response", "sequence": "int64"}, {"name": "iter_1_best_mask", "sequence": "int64"}, {"name": "iter_1_worst_mask", "sequence": "int64"}, {"name": "iter_1_best_reward", "dtype": "float64"}, {"name": "iter_1_worst_reward", "dtype": "float64"}]