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_30 (diameter__km_ VARCHAR, name VARCHAR)
### Question:
What's the diameter of kaiwan fluctus?
### Answer:
SELECT diameter__km_ FROM table_name_30 WHERE name = "kaiwan fluctus"