Question: what network is t mobile on in the usa
[{'answer': 'T - Mobile and MetroPCS', 'provenance': [{'wikipedia_id': '20563054', 'title': 'T-Mobile US', 'start_paragraph_id': 4, 'start_character': 322, 'end_paragraph_id': 4, 'end_character': 353, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '20563054', 'title': 'T-Mobile US', 'start_paragraph_id': 2, 'start_character': 1, 'end_paragraph_id': 2, 'end_character': 573, 'bleu_score': 0.9472892927917481, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18170655419670354138}, 'section': 'Section::::Abstract.'}]}]