Question: when did telenet launched its first telecom products
[{'answer': '1997', 'provenance': [{'wikipedia_id': '1885384', 'title': 'Telenet (Belgium)', 'start_paragraph_id': 4, 'start_character': 50, 'end_paragraph_id': 4, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Internet.\n'}]}, {'provenance': [{'wikipedia_id': '1885384', 'title': 'Telenet (Belgium)', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 476, 'bleu_score': 0.9735040436119741, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6155364018631136018}, 'section': 'Section::::Internet.\n'}]}]