Table: john_wayne_films_3
Columns: title
studio
role
leading_lady
director

Question: What role did John Wayne play in The Trail Beyond, directed by R.N. Bradbury?
SQL: SELECT "role" FROM john_wayne_films_3 WHERE "director" = 'r.n. bradbury' AND "title" = 'the trail beyond'

Question: Who directed the movie The Star Packer?
SQL: SELECT "director" FROM john_wayne_films_3 WHERE "title" = 'the star packer'

Question: What role did John Wayne play in The Lawless Frontier, with Sheila Terry as the leading lady?
SQL: SELECT "role" FROM john_wayne_films_3 WHERE "leading_lady" = 'sheila terry' AND "title" = 'the lawless frontier'

Question: In what movie did John Wayne play the role of Chris Morrell?
SQL: SELECT "title" FROM john_wayne_films_3 WHERE "role" = 'chris morrell'

Question: What role did John Wayne play with Verna Hillie as the leading lady?
SQL: SELECT "role" FROM john_wayne_films_3 WHERE "leading_lady" = 'verna hillie'

Question: Who directed the movie when John Wayne played the role of John Travers?
SQL: SELECT "director" FROM john_wayne_films_3 WHERE "role" = 'john travers'