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_31 (rocket VARCHAR, cospar_id VARCHAR)
### Question:
What rocket has a COSPAR ID of 2002-001a?
### Answer:
SELECT rocket FROM table_name_31 WHERE cospar_id = "2002-001a"