CREATE TABLE route (train_id NUMBER, station_id NUMBER)
CREATE TABLE station (id NUMBER, network_name CLOB, services CLOB, local_authority CLOB)
CREATE TABLE weekly_weather (station_id NUMBER, day_of_week CLOB, high_temperature NUMBER, low_temperature NUMBER, precipitation FLOAT, wind_speed_mph NUMBER)
CREATE TABLE train (id NUMBER, train_number NUMBER, name CLOB, origin CLOB, destination CLOB, time CLOB, interval CLOB)

What is the average high temperature for each day of week Plot them as bar chart, display in ascending by the X.
SELECT day_of_week, AVG(high_temperature) FROM weekly_weather GROUP BY day_of_week ORDER BY day_of_week
SELECT "day_of_week", AVG("high_temperature") FROM "weekly_weather" GROUP BY "day_of_week" ORDER BY "day_of_week"