Question: who played martha wayne in batman vs superman
[{'answer': 'Lauren Cohan', 'provenance': [{'wikipedia_id': '4844849', 'title': 'Martha Wayne', 'start_paragraph_id': 70, 'start_character': 12, 'end_paragraph_id': 70, 'end_character': 24, 'bleu_score': 1.0, 'section': 'Section::::In other media.:Film.:Live action.:"DC Extended Universe".\n'}]}, {'provenance': [{'wikipedia_id': '4844849', 'title': 'Martha Wayne', 'start_paragraph_id': 70, 'start_character': 0, 'end_paragraph_id': 70, 'end_character': 596, 'bleu_score': 0.8878718174194631, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13351843017654839145}, 'section': 'Section::::In other media.:Film.:Live action.:"DC Extended Universe".\n'}]}]