What is the Suffix of the intensive and valency change of 0?
CREATE TABLE "verb_derivations_using_the_root_qet_the_" (
  "type" text,
  "suffix" text,
  "valency_change" text,
  "example" text,
  "meaning" text
);
SELECT "suffix" FROM "verb_derivations_using_the_root_qet_the_" WHERE "valency_change"='0' AND "type"='intensive';