Question: who played the first gordon on sesame street
[{'answer': 'Matthew Thomas Robinson Jr .', 'provenance': [{'wikipedia_id': '897417', 'title': 'Matt Robinson (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 26, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '897417', 'title': 'Matt Robinson (actor)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 608, 'bleu_score': 0.9813933169956551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12974562830604611540}, 'section': 'Section::::Abstract.'}]}]