Question: who is the main character in that 70s show
[{'answer': 'Eric Forman', 'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 3, 'start_character': 11, 'end_paragraph_id': 3, 'end_character': 22, 'bleu_score': 1.0, 'section': 'Section::::Main characters.\n'}]}, {'provenance': [{'wikipedia_id': '3441561', 'title': "List of That '70s Show characters", 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 596, 'bleu_score': 0.9410070402703641, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7606147157713171949}, 'section': 'Section::::Main characters.:Eric Forman.\n'}]}]