 how many total population with catholic being smaller than 31370649.1405057 and region being north africa
CREATE TABLE "catholicism_in_africa" (
  "region" text,
  "total_population" real,
  "catholic" real,
  "pct_catholic" text,
  "pct_of_global_catholic_pop" text
);
SELECT COUNT("total_population") FROM "catholicism_in_africa" WHERE "catholic"<31370649.1405057 AND "region"='North Africa';