What is the RAM (MiB) value for the X30 Mid-Range model?
CREATE TABLE "specifications" (
  "model" text,
  "launch_year" real,
  "ram_mi_b" real,
  "rom_mi_b" real,
  "slots" text,
  "wi_fi" text,
  "bluetooth" text
);
SELECT "ram_mi_b" FROM "specifications" WHERE "model"='x30 mid-range';