Question: the bulk of immigrants coming to the united states between the late 1880s and the 1920s came from
[{'answer': 'Southern Europe', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 293, 'end_paragraph_id': 49, 'end_character': 308, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'the Russian Empire', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 313, 'end_paragraph_id': 49, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'Italians', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 625, 'end_paragraph_id': 49, 'end_character': 633, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'Greeks', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 635, 'end_paragraph_id': 49, 'end_character': 641, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'Hungarians', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 643, 'end_paragraph_id': 49, 'end_character': 653, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'Poles', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 655, 'end_paragraph_id': 49, 'end_character': 660, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'answer': 'others speaking Slavic languages', 'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 666, 'end_paragraph_id': 49, 'end_character': 698, 'bleu_score': 1.0, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}, {'provenance': [{'wikipedia_id': '14599622', 'title': 'History of immigration to the United States', 'start_paragraph_id': 49, 'start_character': 183, 'end_paragraph_id': 49, 'end_character': 772, 'bleu_score': 0.7998414718812911, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14651712033582663102}, 'section': 'Section::::1850 to 1930.:Demography.\n'}]}]