CREATE TABLE employee (eid DECIMAL, name TEXT, salary DECIMAL)
CREATE TABLE aircraft (aid DECIMAL, name TEXT, distance DECIMAL)
CREATE TABLE flight (flno DECIMAL, origin TEXT, destination TEXT, distance DECIMAL, departure_date TIME, arrival_date TIME, price DECIMAL, aid DECIMAL)
CREATE TABLE certificate (eid DECIMAL, aid DECIMAL)

What is the name of the aircraft that was on flight number 99?
SELECT T2.name FROM flight AS T1 JOIN aircraft AS T2 ON T1.aid = T2.aid WHERE T1.flno = 99
SELECT "T2"."name" FROM "flight" AS "T1" JOIN "aircraft" AS "T2" ON "T1"."aid" = "T2"."aid" WHERE "T1"."flno" = 99