Question: who does jackson marry on grey's anatomy
[{'answer': 'April', 'provenance': [{'wikipedia_id': '27652115', 'title': 'Jackson Avery', 'start_paragraph_id': 4, 'start_character': 675, 'end_paragraph_id': 4, 'end_character': 680, 'bleu_score': 1.0, 'section': 'Section::::Storylines.\n'}]}, {'provenance': [{'wikipedia_id': '27652115', 'title': 'Jackson Avery', 'start_paragraph_id': 23, 'start_character': 0, 'end_paragraph_id': 23, 'end_character': 681, 'bleu_score': 0.671371687839271, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8389733084818003151}, 'section': 'Section::::Development.:Relationships.\n'}]}]