What is the most number of families among regions where the population is made up of 5.8% deportees?
CREATE TABLE "table1_16048129_5" (
  "region_of_ussr" text,
  "number_of_families" real,
  "number_of_people" real,
  "average_family_size" text,
  "pct_of_total_deportees" text
);
SELECT MAX("number_of_families") FROM "table1_16048129_5" WHERE "pct_of_total_deportees"='5.8';