Question: who provides fixed line telephone services with numbers starting with 5
[{'answer': 'MTS India', 'provenance': [{'wikipedia_id': '12924220', 'title': 'Telephone numbers in India', 'start_paragraph_id': 72, 'start_character': 12, 'end_paragraph_id': 72, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Fixed line (landline) numbers.:Landline operators.\n'}]}]