Question: when did the granite mountain hotshots get certified
[{'answer': '2008', 'provenance': [{'wikipedia_id': '39826370', 'title': 'Prescott Fire Department', 'start_paragraph_id': 5, 'start_character': 235, 'end_paragraph_id': 5, 'end_character': 239, 'bleu_score': 1.0, 'section': 'Section::::Granite Mountain Hotshots.\n'}]}, {'provenance': [{'wikipedia_id': '39826370', 'title': 'Prescott Fire Department', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10171844418434207240}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '39826370', 'title': 'Prescott Fire Department', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 451, 'bleu_score': 0.9304844600065421, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10171844418434207240}, 'section': 'Section::::Granite Mountain Hotshots.\n'}]}, {'provenance': [{'wikipedia_id': '39826370', 'title': 'Prescott Fire Department', 'section': 'Section::::Granite Mountain Hotshots.\n', 'start_paragraph_id': 5, 'end_paragraph_id': 5, 'meta': {'evidence_span': ['The Granite Mountain Hotshots were a group within the department whose mission was to fight wildfires. Founded in 2002 as a fuels mitigation crew, it transitioned to a handcrew (Type 2 I/A) in 2004, and ultimately to a hotshot crew in 2008.', 'Founded in 2002 as a fuels mitigation crew, it transitioned to a handcrew (Type 2 I/A) in 2004, and ultimately to a hotshot crew in 2008.']}}]}]