Complex sentence: It has a number of important buildings including Low Hall, the original hall which dates from the 11th century, and Hunmanby Hall, a Queen Anne building built to replace the original hall on a more elevated site.
Split into simpler sentences: It has a number of important buildings including Low Hall. The original hall, which dates from the 11th century, and Hunmanby Hall, a Queen Anne building erected to replace the original hall on a more elevated site.