Question: when did age discrimination became illegal in the uk
[{'answer': '2006', 'provenance': [{'wikipedia_id': '7372803', 'title': 'United Kingdom employment equality law', 'start_paragraph_id': 1, 'start_character': 1249, 'end_paragraph_id': 1, 'end_character': 1253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]