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

Question: What was the transfer fee for the player ending in 2011 and moving from Thrasyvoulos?
SQL: SELECT "transfer_fee" FROM "squad_changes" WHERE "ends"=2011 AND "moving_from"='thrasyvoulos';

Question: What was the transfer fee for the player moving in the winter window and ending in a year after 2010?
SQL: SELECT "transfer_fee" FROM "squad_changes" WHERE "ends">2010 AND "transfer_window"='winter';