what's the mission with primary payload(s) being spacelab life sciences-2
CREATE TABLE "use" (
  "edo_flight" real,
  "shuttle" text,
  "mission" text,
  "launch_date" text,
  "duration" text,
  "primary_payload_s" text
);
SELECT "mission" FROM "use" WHERE "primary_payload_s"='Spacelab Life Sciences-2';