Question: when is the eclipse happening in the united states
[{'answer': 'April 2024', 'provenance': [{'wikipedia_id': '4762233', 'title': 'Solar eclipse of August 21, 2017', 'start_paragraph_id': 5, 'start_character': 60, 'end_paragraph_id': 5, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '4762233', 'title': 'Solar eclipse of August 21, 2017', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 246, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2525046518019731828}, 'section': 'Section::::Abstract.'}]}]