How many sets lost have a loss smaller than 3 and a rank larger than 1?
CREATE TABLE "quarterfinals_standing" (
  "rank" real,
  "team" text,
  "loss" real,
  "sets_won" real,
  "sets_lost" real,
  "percentage" text
);
SELECT SUM("sets_lost") FROM "quarterfinals_standing" WHERE "loss"<3 AND "rank">1;