Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_1307842_6 (area__km²_ INTEGER, member_countries VARCHAR)
### Question:
What is Austria's maximum area (km2)?
### Answer:
SELECT MAX(area__km²_) FROM table_1307842_6 WHERE member_countries = "Austria"