Question: who sang having my baby in the 70s
[{'answer': 'Canadian singer Paul Anka', 'provenance': [{'wikipedia_id': '15384819', 'title': "(You're) Having My Baby", 'start_paragraph_id': 1, 'start_character': 68, 'end_paragraph_id': 1, 'end_character': 93, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '15384819', 'title': "(You're) Having My Baby", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 283, 'bleu_score': 0.963949056609222, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 64104005738964682}, 'section': 'Section::::Abstract.'}]}]