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_10932739_2 (orbital_period VARCHAR, semimajor_axis___au__ VARCHAR)
### Question:
How long is the orbital period for the planet that has a semimajor axis of 5.20 au?
### Answer:
SELECT orbital_period FROM table_10932739_2 WHERE semimajor_axis___au__ = "5.20"