Table: box_office_1991
Columns: rank
title
studio
director_s
gross

Question: The 20th Century Fox film directed by Joel Schumacher grossed how much?
SQL: SELECT "gross" FROM box_office_1991 WHERE "studio" = '20th century fox' AND "director_s" = 'joel schumacher'

Question: Which studio grossed $83,531,958 and ranked lower than 13?
SQL: SELECT "studio" FROM box_office_1991 WHERE "rank" > 13 AND "gross" = '$83,531,958'