what is the current version of the name mupen64plus with gpl v2 license?
CREATE TABLE "nintendo_64" (
  "name" text,
  "current_version" text,
  "system" text,
  "platform" text,
  "license" text
);
SELECT "current_version" FROM "nintendo_64" WHERE "license"='gpl v2' AND "name"='mupen64plus';