Question: where was the movie salem's lot filmed
[{'answer': 'Northern California town of Ferndale', 'provenance': [{'wikipedia_id': '5823255', 'title': "Salem's Lot (1979 miniseries)", 'start_paragraph_id': 37, 'start_character': 82, 'end_paragraph_id': 37, 'end_character': 118, 'bleu_score': 1.0, 'section': 'Section::::Production.:Development.\n'}]}, {'answer': 'Burbank studios', 'provenance': [{'wikipedia_id': '5823255', 'title': "Salem's Lot (1979 miniseries)", 'start_paragraph_id': 37, 'start_character': 151, 'end_paragraph_id': 37, 'end_character': 166, 'bleu_score': 1.0, 'section': 'Section::::Production.:Development.\n'}]}, {'provenance': [{'wikipedia_id': '5823255', 'title': "Salem's Lot (1979 miniseries)", 'start_paragraph_id': 37, 'start_character': 0, 'end_paragraph_id': 37, 'end_character': 213, 'bleu_score': 0.943604326170661, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12654398510872544087}, 'section': 'Section::::Production.:Development.\n'}]}]