Question: surname of the title character in the 1990 to 1995 mayim bialik american sitcom blossom
[{'answer': 'Russo', 'provenance': [{'wikipedia_id': '624311', 'title': 'Blossom (TV series)', 'start_paragraph_id': 1, 'start_character': 270, 'end_paragraph_id': 1, 'end_character': 275, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '624311', 'title': 'Blossom (TV series)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 453, 'bleu_score': 0.941591348007749, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7027074326155916499}, 'section': 'Section::::Abstract.'}]}]