CREATE TABLE "series_1" (
  "series_sorted" text,
  "title" text,
  "author" text,
  "featuring" text,
  "released" text
);

Question: who is the author when featuring is leela, the master, kraals?
SQL: SELECT "author" FROM "series_1" WHERE "featuring"='leela, the master, kraals';

Question: who is the author when the title is destination: nerva?
SQL: SELECT "author" FROM "series_1" WHERE "title"='destination: nerva';

Question: who is featuring when the title is energy of the daleks?
SQL: SELECT "featuring" FROM "series_1" 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 "series_1" WHERE "featuring"='leela' AND "series_sorted"='4s/b';