Question: who played thors mother in two marvel films
[{'answer': 'Rene Russo', 'provenance': [{'wikipedia_id': '32267545', 'title': 'Thor: The Dark World', 'start_paragraph_id': 1, 'start_character': 670, 'end_paragraph_id': 1, 'end_character': 680, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '32267545', 'title': 'Thor: The Dark World', 'start_paragraph_id': 26, 'start_character': 0, 'end_paragraph_id': 26, 'end_character': 596, 'bleu_score': 0.9826823455989031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8820439015634963254}, 'section': 'Section::::Cast.\n'}]}]