Question: who does the voice of susan in monsters vs aliens
[{'answer': 'Reese Witherspoon', 'provenance': [{'wikipedia_id': '10812453', 'title': 'Monsters vs. Aliens', 'start_paragraph_id': 1, 'start_character': 444, 'end_paragraph_id': 1, 'end_character': 461, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '10812453', 'title': 'Monsters vs. Aliens', 'start_paragraph_id': 4, 'start_character': 143, 'end_paragraph_id': 4, 'end_character': 1069, 'bleu_score': 0.702043987893878, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6449075667426040437}, 'section': 'Section::::Plot.\n'}]}]