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

Show the name and distance of the aircrafts with more than 5000 distance and which at least 5 people have its certificate.
SELECT T2.name FROM certificate AS T1 JOIN aircraft AS T2 ON T2.aid = T1.aid WHERE T2.distance > 5000 GROUP BY T1.aid ORDER BY COUNT(*) >= 5
SELECT "T2"."name" FROM "certificate" "T1" JOIN "aircraft" "T2" ON "T1"."aid" = "T2"."aid" AND "T2"."distance" > 5000 GROUP BY "T1"."aid" ORDER BY COUNT(*) >= 5