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_name_16 (inclination VARCHAR, semimajor_axis___au__ VARCHAR)
### Question:
What inclination has a semimajor axis of 20 au?
### Answer:
SELECT inclination FROM table_name_16 WHERE semimajor_axis___au__ = "20 au"