Exercise: more than one variable

| Exercise: Write a query to show the director and screenwriter (P58) of each film in the Star Wars film series

show solution

or, using a different syntax (see the explanation here):

The previous query which listed the director of each Star Wars film returned 9 results. This query returns 16 results. Why?

Because there are more than one screenwriter for some of the films. So we get one line for each screenwriter.

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