Question: what year did the first friends episode air
[{'answer': '1994', 'provenance': [{'wikipedia_id': '11315', 'title': 'Friends', 'start_paragraph_id': 1, 'start_character': 123, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '11315', 'title': 'Friends', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 569, 'bleu_score': 0.7548498595681531, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4751773117033969744}, 'section': 'Section::::Abstract.'}]}]