Question: who does the voice of squidward on spongebob squarepants
[{'answer': 'Bumpass', 'provenance': [{'wikipedia_id': '42348013', 'title': 'List of SpongeBob SquarePants cast members', 'start_paragraph_id': 1, 'start_character': 261, 'end_paragraph_id': 1, 'end_character': 268, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '42348013', 'title': 'List of SpongeBob SquarePants cast members', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 1469, 'bleu_score': 0.9918198691462861, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4799514180618492754}, 'section': 'Section::::Regular cast.:Background.\n'}]}]