Question: when do you find out why mary alice kill herself
[{'answer': 'the first - season finale', 'provenance': [{'wikipedia_id': '5220580', 'title': 'Mary Alice Young', 'start_paragraph_id': 20, 'start_character': 16, 'end_paragraph_id': 20, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Reception.\n'}]}, {'provenance': [{'wikipedia_id': '5220580', 'title': 'Mary Alice Young', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 1781, 'bleu_score': 0.985345533881921, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13465005646483672880}, 'section': 'Section::::Casting and development.\n'}]}]