Which Ratio has an in × in of 17 × 22?
CREATE TABLE "ansi_paper_sizes" (
  "name" text,
  "in_in" text,
  "mm_mm" text,
  "ratio" real,
  "similar_iso_a_size" text
);
SELECT "ratio" FROM "ansi_paper_sizes" WHERE "in_in"='17 × 22';