List the names and prices of the cars with model 82 and mileage per gallon of greater than 30.
car's name refers to car_name; model 82 refers to model = 82; mileage per gallon of greater than 30 refers to mpg > 30
SELECT T2.car_name, T1.price FROM price AS T1 INNER JOIN data AS T2 ON T1.ID = T2.ID WHERE T2.model = 82 AND T2.mpg > 30
CREATE TABLE country
(
    origin  INTEGER
            primary key,
    country TEXT
);
CREATE TABLE price
(
    ID    INTEGER
            primary key,
    price REAL
);
CREATE TABLE data
(
    ID           INTEGER
            primary key,
    mpg          REAL,
    cylinders    INTEGER,
    displacement REAL,
    horsepower   INTEGER,
    weight       INTEGER,
    acceleration REAL,
    model        INTEGER,
    car_name     TEXT,
    foreign key (ID) references price(ID)
);
CREATE TABLE production
(
    ID         INTEGER,
    model_year INTEGER,
    country    INTEGER,
    primary key (ID, model_year),
    foreign key (country) references country(origin),
    foreign key (ID) references data(ID),
    foreign key (ID) references price(ID)
);
