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_16799784_8 (diameter__km_ VARCHAR, name VARCHAR)
### Question:
What is the diameter in km of the feature named Colette Patera? 
### Answer:
SELECT diameter__km_ FROM table_16799784_8 WHERE name = "Colette Patera"