Question: when did the property market crash in ireland
[{'answer': 'the first half of 2009', 'provenance': [{'wikipedia_id': '2640472', 'title': 'Irish property bubble', 'start_paragraph_id': 45, 'start_character': 97, 'end_paragraph_id': 45, 'end_character': 119, 'bleu_score': 1.0, 'section': 'Section::::The crash in 2009.\n'}]}, {'provenance': [{'wikipedia_id': '2640472', 'title': 'Irish property bubble', 'start_paragraph_id': 45, 'start_character': 0, 'end_paragraph_id': 45, 'end_character': 571, 'bleu_score': 0.9456135312474161, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4319615089724682910}, 'section': 'Section::::The crash in 2009.\n'}]}]