What years did Dwane Morrison had a pct less than 0.389 and losses less than 12?
CREATE TABLE "head_coaches_results" (
  "name" text,
  "years" text,
  "seasons" real,
  "lost" real,
  "pct" real
);
SELECT "years" FROM "head_coaches_results" WHERE "pct"<0.389 AND "lost"<12 AND "name"='dwane morrison';