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

What is the average price for flights from LA to Honolulu?
SELECT AVG(price) FROM flight WHERE origin = "Los Angeles" AND destination = "Honolulu"
SELECT AVG("price") FROM "flight" WHERE "Honolulu" = "destination" AND "Los Angeles" = "origin"