Question: when was the first mortal kombat game made
[{'answer': '1992', 'provenance': [{'wikipedia_id': '27027652', 'title': 'Mortal Kombat (1992 video game)', 'start_paragraph_id': 0, 'start_character': 15, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '27027652', 'title': 'Mortal Kombat (1992 video game)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 244, 'bleu_score': 0.835721422346931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5835906080878343021}, 'section': 'Section::::Abstract.'}]}]