Question: where are the giant redwoods located in california
[{'answer': 'Humboldt County', 'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'start_paragraph_id': 9, 'start_character': 172, 'end_paragraph_id': 9, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::History.\n'}]}, {'answer': 'the coast of northern California', 'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'start_paragraph_id': 1, 'start_character': 130, 'end_paragraph_id': 1, 'end_character': 162, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'from the northern California coast north to the southern Oregon Coast'}, {'answer': 'Del Norte County'}, {'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16665979442690208418}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'start_paragraph_id': 18, 'start_character': 0, 'end_paragraph_id': 18, 'end_character': 450, 'bleu_score': 0.8094520197344041, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16665979442690208418}, 'section': 'Section::::Natural resources.:Flora.\n'}]}, {'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 862, 'bleu_score': 0.8696358546713311, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 16665979442690208418}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '5047618', 'title': 'Redwood Mountain Grove', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["It is located in Kings Canyon National Park and Giant Sequoia National Monument on the western slope of California's Sierra Nevada.", 'Redwood Mountain Grove is the largest grove of giant sequoia ("Sequoiadendron giganteum") trees on earth. It is located in Kings Canyon National Park and Giant Sequoia National Monument on the western slope of California\'s Sierra Nevada.', 'Redwood Mountain Grove is the largest grove of giant sequoia ("Sequoiadendron giganteum") trees on earth. It is located in Kings Canyon National Park and Giant Sequoia National Monument on the western slope of California\'s Sierra Nevada.']}}]}, {'provenance': [{'wikipedia_id': '50612691', 'title': 'Redwood Experimental Forest', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The forest is near the mouth of the Klamath River in the California Coast Ranges of Northern California.', 'The forest is near the mouth of the Klamath River in the California Coast Ranges of Northern California. The forest is drained by High Prairie Creek.', 'The Redwood Experimental Forest (also Yurok Redwood Experimental Forest, formerly Yurok Experimental Forest) (established 1940) is an experimental forest in Del Norte County, California. The forest is near the mouth of the Klamath River in the California Coast Ranges of Northern California.', 'The Redwood Experimental Forest (also Yurok Redwood Experimental Forest, formerly Yurok Experimental Forest) (established 1940) is an experimental forest in Del Norte County, California. The forest is near the mouth of the Klamath River in the California Coast Ranges of Northern California. The forest is drained by High Prairie Creek. As its name implies, the principal species in the forest is coast redwood ("Sequoia sempervirens"), but the site also contains Douglas fir, Sitka spruce, western hemlock, and Port Orford cedar.']}}]}, {'provenance': [{'wikipedia_id': '758737', 'title': 'Redwood National and State Parks', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Humboldt Counties, the four parks, together, protect 45% of all remaining coast redwood ("Sequoia sempervirens") old-growth forests, totaling at least', 'located in the United States, along the coast of northern California.', 'The Redwood National and State Parks (RNSP) are a complex of several state and national parks located in the United States, along the coast of northern California.', 'Located entirely within Del Norte and Humboldt Counties, the four parks, together, protect 45% of all remaining coast redwood ("Sequoia sempervirens") old-growth forests, totaling at least .']}}]}, {'provenance': [{'wikipedia_id': '23413133', 'title': 'Roosevelt (tree)', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Roosevelt tree is the largest giant sequoia ("Sequoiadendron giganteum") in Redwood Mountain Grove, which is itself the largest grove of giant sequoias on Earth, which are endemic to the Sierra Nevada of California.', 'The Roosevelt tree is the largest giant sequoia ("Sequoiadendron giganteum") in Redwood Mountain Grove, which is itself the largest grove of giant sequoias on Earth, which are endemic to the Sierra Nevada of California', 'The Roosevelt tree is the largest giant sequoia ("Sequoiadendron giganteum") in Redwood Mountain Grove, which is itself the largest grove of giant sequoias on Earth, which are endemic to the Sierra Nevada of California']}}]}]