This task is about writing a correct answer for the reading comprehension task. Based on the information provided in a given passage, you should identify the shortest continuous text span from the passage that serves as an answer to the given question. Avoid answers that are incorrect or provides incomplete justification for the question.
Q: Passage: Somerset has 11,500 listed buildings, 523 scheduled monuments, 192 conservation areas, 41 parks and gardens including those at Barrington Court, Holnicote Estate, Prior Park Landscape Garden and Tintinhull Garden, 36 English Heritage sites and 19 National Trust sites, including Clevedon Court, Fyne Court, Montacute House and Tyntesfield as well as Stembridge Tower Mill, the last remaining thatched windmill in England. Other historic houses in the county which have remained in private ownership or used for other purposes include Halswell House and Marston Bigot. A key contribution of Somerset architecture is its medieval church towers. Jenkins writes, "These structures, with their buttresses, bell-opening tracery and crowns, rank with Nottinghamshire alabaster as England's finest contribution to medieval art." Question: Name some historic private houses in the county
A:
Halswell House and Marston Bigot.