Question: when was the first video game released to the public
[{'answer': 'in 1950', 'provenance': [{'wikipedia_id': '19992532', 'title': 'Early history of video games', 'start_paragraph_id': 2, 'start_character': 329, 'end_paragraph_id': 2, 'end_character': 336, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '19992532', 'title': 'Early history of video games', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 982, 'bleu_score': 0.9880591662583851, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13273547948479130716}, 'section': 'Section::::Initial games.\n'}]}]