What is the average Area (in km²), when Markatal is less than 0?
CREATE TABLE table_name_81 (area__in_km²_ INTEGER, markatal INTEGER)
SELECT AVG(area__in_km²_) FROM table_name_81 WHERE markatal < 0
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_81 (area__in_km²_ INTEGER, markatal INTEGER) Question: What is the average Area (in km²), when Markatal is less than 0? [/INST] SELECT AVG(area__in_km²_) FROM table_name_81 WHERE markatal < 0 </s>