What is the sum of Metres wiht a Feet that's smaller than 196?
CREATE TABLE "timeline_of_tallest_skyscrapers_in_afric" (
  "name" text,
  "city" text,
  "years_as_tallest" text,
  "metres" real,
  "feet" real,
  "floors" real
);
SELECT COUNT("metres") FROM "timeline_of_tallest_skyscrapers_in_afric" WHERE "feet"<196;