How large is the Boreal Shield in km2?
CREATE TABLE table_15555661_2 (area__km²_ VARCHAR, ecozone VARCHAR)
SELECT COUNT(area__km²_) FROM table_15555661_2 WHERE ecozone = "Boreal Shield"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_15555661_2 (area__km²_ VARCHAR, ecozone VARCHAR) Question: How large is the Boreal Shield in km2? [/INST] SELECT COUNT(area__km²_) FROM table_15555661_2 WHERE ecozone = "Boreal Shield" </s>