Question: who did the mavericks beat in the finals
[{'answer': 'Miami Heat', 'provenance': [{'wikipedia_id': '28064090', 'title': '2011 NBA Finals', 'start_paragraph_id': 1, 'start_character': 214, 'end_paragraph_id': 1, 'end_character': 224, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Eastern Conference champion Miami Heat'}, {'provenance': [{'wikipedia_id': '28064090', 'title': '2011 NBA Finals', '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': 14662344978512515613}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '35948923', 'title': '199697 Dallas Mavericks season', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Jamal Mashburn was dealt to the Miami Heat for Sasha Danilovic.', 'Miami Heat']}}]}, {'provenance': [{'wikipedia_id': '4212324', 'title': '2006 NBA Finals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The 2006 NBA Finals was the championship series of the 200506 National Basketball Association season. The Miami Heat won the title in six games over the Dallas Mavericks, becoming the third teamafter the 1969 Celtics and the 1977 Trail Blazersto w', 'Miami Heat']}}]}, {'provenance': [{'wikipedia_id': '28064090', 'title': '2011 NBA Finals', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The 2011 NBA Finals was the championship series of the 201011 season of the National Basketball Association (NBA) in which the Western Conference champion Dallas Mavericks defeated the Eastern Conference champion Miami Heat four games to two to win their first NBA championship.', 'The 2011 NBA Finals was the championship series of the 201011 season of the National Basketball Association (NBA) in which the Western Conference champion Dallas Mavericks defeated the Eastern Conference champion Miami Heat four games to two to win their first NBA championship. The series was held from May 31 to June 12, 2011', 'Miami Heat']}}]}]