Question: when did the common market become the eec
[{'answer': 'in 1993', 'provenance': [{'wikipedia_id': '9578', 'title': 'European Economic Community', 'start_paragraph_id': 1, 'start_character': 231, 'end_paragraph_id': 1, 'end_character': 238, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9578', 'title': 'European Economic Community', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 183, 'bleu_score': 0.9383861709333501, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4392217645954790906}, 'section': 'Section::::Abstract.'}]}]