text: --1 List the films where the yr is 1962 [Show id, title]
  SELECT id, title
  FROM movie
  WHERE yr=1962
  
   --2 Give year of 'Citizen Kane'.
  SELECT yr
  FROM movie
  WHERE title = 'Citizen Kane'
  
  --3 List all of the Star Trek movies, include the id, title and yr (all of these movies include the words Star Trek in the title). Order results by year.
  SELECT id, title, yr
  FROM movie
  WHERE title LIKE '%Star Trek%'
  ORDER BY yr
  
  --4 What id number does the actor 'Glenn Close' have?
  SELECT id
  FROM actor
  WHERE name = 'Glenn Close'
  
  --5 What is the id of the film 'Casablanca'
  SELECT id
  FROM movie
  WHERE title = 'Casablanca'
  
  --6 Obtain the cast list for 'Casablanca'. 
  SELECT name
  FROM movie JOIN casting ON movie.id = movieid
      JOIN actor ON actor.id = actorid
  WHERE movieid = 27;
  
  --7 Obtain the cast list for the film 'Alien'
  SELECT name
  FROM movie JOIN casting ON movie.id = movieid
      JOIN actor ON actor.id = actorid
  WHERE title = 'Alien';
  
  --8 List the films in which 'Harrison Ford' has appeared
  SELECT title
  FROM movie JOIN casting ON movie.id = movieid
      JOIN actor ON actor.id = actorid
  WHERE name = 'Harrison Ford';
  
  --9 List the films where 'Harrison Ford' has appeared - but not in the starring role. [Note: the ord field of casting gives the position of the actor. If ord=1 then this actor is in the starring role]
  SELECT title
  FROM movie JOIN casting ON movie.id = movieid
      JOIN actor ON actor.id = actorid
  WHERE name = 'Harrison Ford' AND ord != 1;
  
  --10 List the films together with the leading star for all 1962 films.
  SELECT title, name
  FROM movie JOIN casting ON movie.id = movieid
      JOIN actor ON actor.id = actorid
  WHERE yr = 1962 AND ord = 1;
  
  --11 Which were the busiest years for 'Rock Hudson', show the year and the number of movies he made each year for any year in which he made more than 2 movies.
  SELECT yr,COUNT(title) FROM
    movie JOIN casting ON movie.id=movieid
          JOIN actor   ON actorid=actor.id
  WHERE name='Rock Hudson'
  GROUP BY yr
  HAVING COUNT(title) > 2
  
  --12 List the film title and the leading actor for all of the films 'Julie Andrews' played in.
  SELECT title, name
  FROM movie JOIN casting ON (movie.id=movieid AND ord = 1)
      JOIN actor ON actorid=actor.id
  WHERE movieid  IN (
  SELECT movieid
  FROM casting
  WHERE actorid IN (
    SELECT id
  FROM actor
  WHERE name='Julie Andrews'));
  
  --13 Obtain a list, in alphabetical order, of actors who've had at least 15 starring roles
  
  SELECT name
  FROM actor JOIN casting ON (actor.id = actorid AND ord = 1)
  GROUP BY name
  HAVING COUNT(name) > 14
  ORDER BY name
  
  --14 List the films released in the year 1978 ordered by the number of actors in the cast, then by title.
  SELECT title, COUNT(name)
  FROM movie JOIN casting ON movie.id=movieid
      JOIN actor ON actorid=actor.id
  WHERE yr = 1978
  GROUP BY title
  ORDER BY COUNT(name) DESC, title
  
  --15 List all the people who have worked with 'Art Garfunkel'.
  SELECT name
  FROM movie JOIN casting ON movie.id=movieid
      JOIN actor ON actorid=actor.id
  WHERE title IN (SELECT title
      FROM movie JOIN casting ON movie.id=movieid
          JOIN actor ON actorid=actor.id
      WHERE name =  'Art Garfunkel') AND name != 'Art Garfunkel'
  