Question: how old are the players in the little league world series
[{'answer': '11 to 13 years old'}, {'provenance': [{'wikipedia_id': '674587', 'title': 'Little League World Series', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 588, 'bleu_score': 0.877325633070802, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 10405383615635850871}, 'section': 'Section::::Abstract.'}]}]