Question: who played the oldest brother in 7th heaven
[{'answer': 'Barry Watson', 'provenance': [{'wikipedia_id': '6096140', 'title': 'List of 7th Heaven characters', 'start_paragraph_id': 13, 'start_character': 33, 'end_paragraph_id': 13, 'end_character': 45, 'bleu_score': 1.0, 'section': 'Section::::Camden family.:Matt Camden.\n'}]}, {'provenance': [{'wikipedia_id': '6096140', 'title': 'List of 7th Heaven characters', 'start_paragraph_id': 13, 'start_character': 0, 'end_paragraph_id': 13, 'end_character': 1014, 'bleu_score': 0.9891004105789801, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11391583831311026483}, 'section': 'Section::::Camden family.:Matt Camden.\n'}]}, {'provenance': [{'wikipedia_id': '6096140', 'title': 'List of 7th Heaven characters', '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': 11391583831311026483}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '28089666', 'title': '7th Heaven (season 6)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The sixth season of "7th Heaven"an American family-drama television series, created and produced by Brenda Hamptonpremiered on September 24, 2001, on The WB, and concluded on May 20, 2002 (22 episodes). This is the last season in which Barry Watson and Jessica Biel are main cast member', 'The sixth season of "7th Heaven"an American family-drama television series, created and produced by Brenda Hamptonpremiered on September 24, 2001, on The WB, and concluded on May 20, 2002 (22 episodes). This is the last season in which Barry Watson and Jessica Biel are main cast members.']}}]}, {'provenance': [{'wikipedia_id': '6096140', 'title': 'List of 7th Heaven characters', 'section': 'Section::::Camden family.:Matt Camden.\n', 'start_paragraph_id': 13, 'end_paragraph_id': 13, 'meta': {'evidence_span': ['Matthew "Matt" Camden (played by Barry Watson) (born 1980) is Annie and Eric\'s firstborn. In the beginning of the series, Matt is a junior in high school. Matt sacrifices his school time to help others; if they wished to remain anonymous, he would respect that and not ev', 'Matthew "Matt" Camden (played by Barry Watson) (born 1980) is Annie and Eric\'s firstborn.']}}]}]