What song did Nicki Minaj get her first Grammy nomination for?
{'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'type': 'INTERNAL', 'name_': 'Q4167836', 'id': 0, 'label': 'Wikimedia category'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q41254', 'id': 1, 'label': 'Grammy Awards'}, {'type': 'INTERNAL', 'name_': 'Q134556', 'id': 2, 'label': 'single'}, {'type': 'QUESTIONS_ENTITY', 'name_': 'Q162202', 'id': 3, 'label': 'Nicki Minaj'}, {'type': 'INTERNAL', 'name_': 'Q1574201', 'id': 4, 'label': 'Love On Top'}, {'type': 'INTERNAL', 'name_': 'Q8498206', 'id': 5, 'label': 'Category:Grammy Awards for gospel music'}, {'type': 'ANSWER_CANDIDATE_ENTITY', 'name_': 'Q9571195', 'id': 6, 'label': 'Category:Nicki Minaj singles'}], 'links': [{'name_': 'P166', 'source': 4, 'target': 1, 'label': 'award received'}, {'name_': 'P31', 'source': 4, 'target': 2, 'label': 'instance of'}, {'name_': 'P31', 'source': 5, 'target': 0, 'label': 'instance of'}, {'name_': 'P971', 'source': 5, 'target': 1, 'label': 'category combines topics'}, {'name_': 'P31', 'source': 6, 'target': 0, 'label': 'instance of'}, {'name_': 'P4224', 'source': 6, 'target': 2, 'label': 'category contains'}, {'name_': 'P971', 'source': 6, 'target': 3, 'label': 'category combines topics'}]}