Question: who plays eric in little house on the prairie
[{'answer': 'Ike Eisenmann', 'provenance': [{'wikipedia_id': '6285671', 'title': 'List of Little House on the Prairie characters', 'start_paragraph_id': 51, 'start_character': 39, 'end_paragraph_id': 51, 'end_character': 52, 'bleu_score': 1.0, 'section': 'Section::::Television series characters.:One-shot characters.:Season two.\n'}]}, {'provenance': [{'wikipedia_id': '6285671', 'title': 'List of Little House on the Prairie characters', 'start_paragraph_id': 156, 'start_character': 0, 'end_paragraph_id': 156, 'end_character': 51, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17599739224931340549}, 'section': 'Section::::Television series characters.:One-shot characters.:Season five.\n'}]}]