What's the product that has less than 98.6 melamine content, more than 1 sample failed and took less than 3 samples?
CREATE TABLE "tests_conducted_by_aqsiq" (
  "producer" text,
  "product" text,
  "samples_taken" real,
  "samples_failed" real,
  "melamine_content_mg_kg" real
);
SELECT "product" FROM "tests_conducted_by_aqsiq" WHERE "melamine_content_mg_kg"<98.6 AND "samples_failed">1 AND "samples_taken"<3;