What's the version of Itu g.992.3 Annex J?
CREATE TABLE "adsl_standards" (
  "version" text,
  "standard_name" text,
  "common_name" text,
  "downstream_rate" text,
  "upstream_rate" text
);
SELECT "version" FROM "adsl_standards" WHERE "standard_name"='itu g.992.3 annex j';