What percentage of people in 2011 had a mother tongue that was shared by less than 8,085 in 2006 and less than 145 in 2011?
CREATE TABLE "mother_tongue_language_2006_and_2011" (
  "mother_tongue" text,
  "population_2006" real,
  "percentage_2006" text,
  "population_2011" real,
  "percentage_2011" text
);
SELECT "percentage_2011" FROM "mother_tongue_language_2006_and_2011" WHERE "population_2006"<'8,085' AND "population_2011"<145;