What transfer fee did Birmingham City get on 30 June 2010?
CREATE TABLE "in" (
  "name" text,
  "country" text,
  "type" text,
  "moving_from" text,
  "transfer_window" text,
  "ends" text,
  "transfer_fee" text
);
SELECT "transfer_fee" FROM "in" WHERE "ends"='30 june 2010' AND "moving_from"='birmingham city';