Table:
text: List of schools in the West Coast Region
Buller District
Buller District
Name_ Years Area Authority Decile Roll
Buller High School 9–15 Westport State 3 361
Granity School 1–8 Granity State 4 37
Inangahua Junction School 1–6 Inangahua Junction State 6 14
Karamea Area School 1–15 Karamea State 5 93
Maruia School 1–8 Maruia State 9 19
Reefton Area School 1–15 Reefton State 3 206
Sacred Heart School 1–8 Reefton State integrated 4 34
St Canice`s School 1–8 Westport State integrated 4 160
Waimangaroa School 1–8 Waimangaroa State 2 18
Westport North School 1–8 Westport State 4 260
Westport South School 1–8 Westport State 4 274

Question: From the list of schools in the west coast region, what is the average role of a state authority school with a decile of 9 from the Buller District?

Question: Which area has state authority and a role less than 18 on the list of schools in the West Coast region's Buller District?

Question: What is the role for the state authority school with a decile of 9 under the List of Schools in the West Coast Region's Buller District?

Question: What is the average decile of Westport South School among the list of schools in the West Coast Region's Buller District?