Question: when did lionel messi play his first game for barcelona
[{'answer': '2001', 'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 8, 'start_character': 487, 'end_paragraph_id': 8, 'end_character': 491, 'bleu_score': 1.0, 'section': 'Section::::Early life.\n'}]}, {'answer': '2002', 'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 9, 'start_character': 140, 'end_paragraph_id': 9, 'end_character': 144, 'bleu_score': 1.0, 'section': 'Section::::Early life.\n'}]}, {'answer': 'October 2004', 'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 2, 'start_character': 304, 'end_paragraph_id': 2, 'end_character': 316, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', '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': 11676098649250330504}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 1117, 'bleu_score': 0.9895557778849051, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11676098649250330504}, 'section': 'Section::::Early life.\n'}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 1165, 'bleu_score': 0.9565038021135601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11676098649250330504}, 'section': 'Section::::Early life.\n'}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 835, 'bleu_score': 0.909989773333819, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11676098649250330504}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'section': 'Section::::Abstract.', 'start_paragraph_id': 2, 'end_paragraph_id': 2, 'meta': {'evidence_span': ['Messi made his competitive debut aged 17 in October 2004', 'Messi made his competitive debut aged 17 in October 2004.', "After a fast progression through Barcelona's youth academy, Messi made his competitive debut aged 17 in October 2004."]}}]}, {'provenance': [{'wikipedia_id': '2150841', 'title': 'Lionel Messi', 'section': 'Section::::Club career.:Barcelona.:2003–05: Rise to the first team.\n', 'start_paragraph_id': 16, 'end_paragraph_id': 16, 'meta': {'evidence_span': ['but in October 2004, the senior players asked manager Frank Rijkaard to promote him.', 'Messi made his league debut during the next match on 16 October, against Espanyol, coming on in the 82nd minute.']}}]}]