ratio of 15:14, and a just (cents) larger than 119.44 is what average size (cents)?
CREATE TABLE "interval_size" (
  "interval_name" text,
  "size_steps" real,
  "size_cents" real,
  "just_ratio" text,
  "just_cents" real,
  "error" text
);
SELECT AVG("size_cents") FROM "interval_size" WHERE "just_ratio"='15:14' AND "just_cents">119.44;