Question: who invented the first radio and what year
[{'answer': '1897', 'provenance': [{'wikipedia_id': '3800477', 'title': 'Invention of radio', 'start_paragraph_id': 61, 'start_character': 208, 'end_paragraph_id': 61, 'end_character': 212, 'bleu_score': 1.0, 'section': 'Section::::Radio based wireless telegraphy.:Marconi.\n'}]}, {'answer': 'Marconi', 'provenance': [{'wikipedia_id': '3800477', 'title': 'Invention of radio', 'start_paragraph_id': 1, 'start_character': 81, 'end_paragraph_id': 1, 'end_character': 88, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '3800477', 'title': 'Invention of radio', 'start_paragraph_id': 61, 'start_character': 0, 'end_paragraph_id': 61, 'end_character': 1053, 'bleu_score': 0.9873810715615521, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8365602522093094002}, 'section': 'Section::::Radio based wireless telegraphy.:Marconi.\n'}]}]