What is the area in km2 for Dufferin? 
CREATE TABLE table_170969_2 (area_km_2 VARCHAR, official_name VARCHAR)
SELECT area_km_2 FROM table_170969_2 WHERE official_name = "Dufferin"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_170969_2 (area_km_2 VARCHAR, official_name VARCHAR) Question: What is the area in km2 for Dufferin?  [/INST] SELECT area_km_2 FROM table_170969_2 WHERE official_name = "Dufferin" </s>