CREATE TABLE "series_9" (
  "episode" text,
  "first_aired" text,
  "entrepreneur_s" text,
  "company_or_product_name" text,
  "money_requested" real,
  "investing_dragon_s" text
);

Question: how much money was requested on the show which aired on 4 september 2011?
SQL: SELECT SUM("money_requested") FROM "series_9" WHERE "first_aired"='4 september 2011';

Question: what investing dragons aired on episode 10?
SQL: SELECT "investing_dragon_s" FROM "series_9" WHERE "episode"='episode 10';