What is the sum of White (%), when Black (%) is less than 5,8, and when Asian or Amerindian (%) is less than 0,2?
CREATE TABLE "ethnicities_by_region" (
  "state" text,
  "white_pct" real,
  "brown_pct" real,
  "black_pct" real,
  "asian_or_amerindian_pct" real
);
SELECT SUM("white_pct") FROM "ethnicities_by_region" WHERE "black_pct"<'5,8' AND "asian_or_amerindian_pct"<'0,2';