What is the transfer fee for the MLI player with fewer than 63 goals in a year more recent than 2006?
CREATE TABLE "squad_information" (
  "nat" text,
  "name" text,
  "since" text,
  "goals" real,
  "ends" text,
  "transfer_fee" text
);
SELECT "transfer_fee" FROM "squad_information" WHERE "since"='2006' AND "goals"<63 AND "nat"='mli';