Question: what day of the week did september 11th happen
[{'answer': 'Tuesday', 'provenance': [{'wikipedia_id': '5058690', 'title': 'September 11 attacks', 'start_paragraph_id': 1, 'start_character': 188, 'end_paragraph_id': 1, 'end_character': 195, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5058690', 'title': 'September 11 attacks', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 346, 'bleu_score': 0.859050509597548, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1228045767047325776}, 'section': 'Section::::Abstract.'}]}]