CREATE TABLE "in" (
  "nat" text,
  "name" text,
  "moving_from" text,
  "type" text,
  "transfer_window" text,
  "ends" real,
  "transfer_fee" text
);

Question: What is the transfer fee for Helguera?
SQL: SELECT "transfer_fee" FROM "in" WHERE "name"='helguera';

Question: What was the transfer fee when the moving from was celta de Vigo?
SQL: SELECT "transfer_fee" FROM "in" WHERE "moving_from"='celta de vigo';

Question: What was the transfer window with a moving from of fenerbahçe?
SQL: SELECT "transfer_window" FROM "in" WHERE "moving_from"='fenerbahçe';

Question: What nation had a moving from of espanyol?
SQL: SELECT "nat" FROM "in" WHERE "moving_from"='espanyol';

Question: What was the transfer fee for the player with an ends of 2007?
SQL: SELECT "transfer_fee" FROM "in" WHERE "ends"=2007;