Question: who came out with the first touch screen phone
[{'answer': 'Ericsson Mobile Communications', 'provenance': [{'wikipedia_id': '167079', 'title': 'Smartphone', 'start_paragraph_id': 13, 'start_character': 40, 'end_paragraph_id': 13, 'end_character': 70, 'bleu_score': 1.0, 'section': 'Section::::History.:PDA/phone hybrids.\n'}]}]