Question: when did family day become a stat holiday in alberta
[{'answer': '1990', 'provenance': [{'wikipedia_id': '24237723', 'title': 'Family Day (Canada)', 'start_paragraph_id': 5, 'start_character': 36, 'end_paragraph_id': 5, 'end_character': 40, 'bleu_score': 1.0, 'section': 'Section::::Family Day.:Alberta.\n'}]}, {'provenance': [{'wikipedia_id': '24237723', 'title': 'Family Day (Canada)', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 157, 'bleu_score': 0.9243880458347601, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 17932589413864210312}, 'section': 'Section::::Family Day.:Alberta.\n'}]}]