CREATE TABLE "the_dragons" (
  "series_1" text,
  "series_2" text,
  "series_3" text,
  "series_5" text,
  "series_9" text,
  "series_11" text
);

Question: What series 1 has a Doug Richards in Series 2?
SQL: SELECT "series_1" FROM "the_dragons" WHERE "series_2"='doug richards';

Question: Who in series 1 corresponds with Peter Jones in series 5?
SQL: SELECT "series_1" FROM "the_dragons" WHERE "series_5"='peter jones';

Question: Who in series 5 corresponds to Deborah Meaden in series 3?
SQL: SELECT "series_5" FROM "the_dragons" WHERE "series_3"='deborah meaden';

Question: Who in series 11 corresponds to Peter Jones in series 1?
SQL: SELECT "series_11" FROM "the_dragons" WHERE "series_1"='peter jones';

Question: Who in series 9 corresponds to Peter Jones in series 2?
SQL: SELECT "series_9" FROM "the_dragons" WHERE "series_2"='peter jones';