Question: what are spain and portugal known as collectively
[{'answer': 'Iberian Peninsula', 'provenance': [{'wikipedia_id': '16910381', 'title': 'Portugal–Spain relations', 'start_paragraph_id': 1, 'start_character': 170, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '16910381', 'title': 'Portugal–Spain relations', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 273, 'bleu_score': 0.953991849837532, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1196791592952239285}, 'section': 'Section::::Abstract.'}]}]