Question: who was the first to notice that distant galaxies were red shifted with respect to closer stars
[{'answer': 'Christian Doppler', 'provenance': [{'wikipedia_id': '26262', 'title': 'Redshift', 'start_paragraph_id': 10, 'start_character': 187, 'end_paragraph_id': 10, 'end_character': 204, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'provenance': [{'wikipedia_id': '26262', 'title': 'Redshift', 'start_paragraph_id': 10, 'start_character': 0, 'end_paragraph_id': 10, 'end_character': 787, 'bleu_score': 0.984062469849008, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9844347376771194037}, 'section': 'Section::::History.\n'}]}]