What is the pages per minute (color) of the machine that has a max page size of a4 and dimensions (mm) of 303 x 94 x 60?
CREATE TABLE "typical_duplex_scanners" (
  "product" text,
  "dimensions_mm" text,
  "pages_per_minute_color" real,
  "max_page_size" text,
  "interface" text
);
SELECT "pages_per_minute_color" FROM "typical_duplex_scanners" WHERE "max_page_size"='a4' AND "dimensions_mm"='303 x 94 x 60';