Question: where does pain information cross over in the somatosensory pathway
[{'answer': 'lateral spinothalamic tract', 'provenance': [{'wikipedia_id': '603063', 'title': 'Spinothalamic tract', 'start_paragraph_id': 2, 'start_character': 157, 'end_paragraph_id': 2, 'end_character': 184, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '603063', 'title': 'Spinothalamic tract', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 213, 'bleu_score': 0.929712191543383, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12559279445423381450}, 'section': 'Section::::Abstract.'}]}]