CREATE TABLE "message_format" (
  "subframe_num" real,
  "page_num" text,
  "name" text,
  "word_num" real,
  "bits" text,
  "scale" text,
  "signed" text
);

Question: What is URA Index scale?
SQL: SELECT "scale" FROM "message_format" WHERE "name"='ura index';

Question: What is the scale of sv_health with a word number smaller than 4?
SQL: SELECT "scale" FROM "message_format" WHERE "word_num"<4 AND "name"='sv_health';