CREATE TABLE table_18161217_2 (cospar_id VARCHAR2, estimated_operational_life VARCHAR2, satellite VARCHAR2)

What is the cospar ID of the Kosmos 2397 satellite, which has an operational life of 2 months?
SELECT cospar_id FROM table_18161217_2 WHERE estimated_operational_life = "2 months" AND satellite = "Kosmos 2397"
SELECT "cospar_id" FROM "table_18161217_2" WHERE "2 months" = "estimated_operational_life" AND "Kosmos 2397" = "satellite"