Context: To the north-east of the Somerset Levels, the Mendip Hills are moderately high limestone hills. The central and western Mendip Hills was designated an Area of Outstanding Natural Beauty in 1972 and covers 198 km2 (76 sq mi). The main habitat on these hills is calcareous grassland, with some arable agriculture. To the south-west of the Somerset Levels are the Quantock Hills which was England's first Area of Outstanding Natural Beauty designated in 1956 which is covered in heathland, oak woodlands, ancient parklands with plantations of conifer and covers 99 square kilometres. The Somerset Coalfield is part of a larger coalfield which stretches into Gloucestershire. To the north of the Mendip hills is the Chew Valley and to the south, on the clay substrate, are broad valleys which support dairy farming and drain into the Somerset Levels.

Question: What area lies in the northeastern part of Somerset levels 
Answer: the Mendip Hills are moderately high limestone hills

Question: What area was Designated to have outstanding beauty 
Answer: Quantock Hills which was England's first Area of Outstanding Natural Beauty designated in 1956

Question: What is the name of the coal field 
Answer: The Somerset Coalfield is part of a larger coalfield which stretches into Gloucestershire

Question: What area support dairy farming 
Answer: on the clay substrate, are broad valleys which support dairy farming and drain into the Somerset Levels.

Question: How much area does the Somerset Coalfield cover?
Answer: Unanswerable

Question: How much area does the Chew Valley cover?
Answer: Unanswerable

Question: What lies to the north-west of the Somerset Levels?
Answer: Unanswerable

Question: What lies to the east of the Mendip Hills?
Answer: Unanswerable

Question: What type of trees are prevalent in the Chew Valley?
Answer: Unanswerable