Question: who played jane tennison in prime suspect 1973
[{'answer': 'Stefanie Martini', 'provenance': [{'wikipedia_id': '53448181', 'title': 'Prime Suspect 1973', 'start_paragraph_id': 1, 'start_character': 174, 'end_paragraph_id': 1, 'end_character': 190, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '53448181', 'title': 'Prime Suspect 1973', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 49, 'bleu_score': 0.6803749333171201, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 200559362051879718}, 'section': 'Section::::Cast.:Main cast.\n'}]}]