Table: audio_plays_2
Columns: series_sorted
title
author
featuring
released

Question: who is the author when featuring is leela, the master, kraals?
SQL: SELECT "author" FROM audio_plays_2 WHERE "featuring" = 'leela, the master, kraals'

Question: who is the author when the title is destination: nerva?
SQL: SELECT "author" FROM audio_plays_2 WHERE "title" = 'destination: nerva'

Question: who is featuring when the title is energy of the daleks?
SQL: SELECT "featuring" FROM audio_plays_2 WHERE "title" = 'energy of the daleks'

Question: what is the title when the featuring is leela and series sorted is 4s/b?
SQL: SELECT "title" FROM audio_plays_2 WHERE "featuring" = 'leela' AND "series_sorted" = '4s/b'