Question: when did home video games systems first become very popular
[{'answer': '1975', 'provenance': [{'wikipedia_id': '32401', 'title': 'History of video games', 'start_paragraph_id': 27, 'start_character': 679, 'end_paragraph_id': 27, 'end_character': 683, 'bleu_score': 1.0, 'section': 'Section::::A new industry.:Early arcade video games (1972–1978).\n'}]}, {'provenance': [{'wikipedia_id': '32401', 'title': 'History of video games', 'start_paragraph_id': 31, 'start_character': 0, 'end_paragraph_id': 31, 'end_character': 1297, 'bleu_score': 0.9476409374747921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14638449788102856180}, 'section': 'Section::::A new industry.:First generation of home consoles and the "Pong" clones (1972–1978).\n'}]}]