Question: who was australia's shortest serving prime minister
[{'answer': 'Francis Michael Forde', 'provenance': [{'wikipedia_id': '155382', 'title': 'Frank Forde', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 21, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '155382', 'title': 'Frank Forde', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 259, 'bleu_score': 0.8806615362338781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16108485945061468178}, 'section': 'Section::::Abstract.'}]}]