Question: in what direction was the pacific plate moving while the emperor seamounts were forming
[{'answer': 'northwesterly direction', 'provenance': [{'wikipedia_id': '769724', 'title': 'Hawaiian–Emperor seamount chain', 'start_paragraph_id': 8, 'start_character': 244, 'end_paragraph_id': 8, 'end_character': 267, 'bleu_score': 1.0, 'section': 'Section::::Formation.\n'}]}, {'provenance': [{'wikipedia_id': '769724', 'title': 'Hawaiian–Emperor seamount chain', 'start_paragraph_id': 8, 'start_character': 0, 'end_paragraph_id': 8, 'end_character': 748, 'bleu_score': 0.983672097934538, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1452876832563374205}, 'section': 'Section::::Formation.\n'}]}]