Question: the weak mayor form of mayor-council government lacks
[{'answer': 'veto power over council votes', 'provenance': [{'wikipedia_id': '23809142', 'title': 'Mayor–council government', 'start_paragraph_id': 4, 'start_character': 144, 'end_paragraph_id': 4, 'end_character': 173, 'bleu_score': 1.0, 'section': 'Section::::Weak-mayor form.\n'}]}, {'provenance': [{'wikipedia_id': '23809142', 'title': 'Mayor–council government', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 273, 'bleu_score': 0.871061359808849, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12171544430626399265}, 'section': 'Section::::Weak-mayor form.\n'}]}]