Give the sum of the version with the coptic small letter sampi, and a year after 2005.
CREATE TABLE "computer_encoding" (
  "character" text,
  "code" text,
  "name" text,
  "version" real,
  "year" real
);
SELECT SUM("version") FROM "computer_encoding" WHERE "name"='coptic small letter sampi' AND "year">2005;