How many areas are named West Isles? 
CREATE TABLE table_170969_2 (area_km_2 VARCHAR, official_name VARCHAR)
SELECT COUNT(area_km_2) FROM table_170969_2 WHERE official_name = "West Isles"
### Context: CREATE TABLE table_170969_2 (area_km_2 VARCHAR, official_name VARCHAR) ### Question: How many areas are named West Isles?  ### Answer: SELECT COUNT(area_km_2) FROM table_170969_2 WHERE official_name = "West Isles"