Question: when did most of the land called palestine became the country of israel
[{'answer': '14 May 1948', 'provenance': [{'wikipedia_id': '7696431', 'title': 'History of the Jews and Judaism in the Land of Israel', 'start_paragraph_id': 100, 'start_character': 3, 'end_paragraph_id': 100, 'end_character': 14, 'bleu_score': 1.0, 'section': 'Section::::Modern history (1517–present).:British Mandate (1917–1948).\n'}]}, {'provenance': [{'wikipedia_id': '7696431', 'title': 'History of the Jews and Judaism in the Land of Israel', 'start_paragraph_id': 100, 'start_character': 0, 'end_paragraph_id': 100, 'end_character': 260, 'bleu_score': 0.958740481558872, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7482066136438101411}, 'section': 'Section::::Modern history (1517–present).:British Mandate (1917–1948).\n'}]}]