Question: who demonstrated that radio radiation has all the properties of waves
[{'answer': 'Heinrich Hertz', 'provenance': [{'wikipedia_id': '98132', 'title': 'Radio wave', 'start_paragraph_id': 5, 'start_character': 441, 'end_paragraph_id': 5, 'end_character': 455, 'bleu_score': 1.0, 'section': 'Section::::Discovery and exploitation.\n'}]}, {'provenance': [{'wikipedia_id': '98132', 'title': 'Radio wave', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 886, 'bleu_score': 0.96401701927018, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7142462974601000119}, 'section': 'Section::::Discovery and exploitation.\n'}]}]