CREATE TABLE table_20505 ("Region of USSR" CLOB, "Number of families" FLOAT, "Number of people" FLOAT, "Average family size" CLOB, "% of total deportees" CLOB)

What is the largest population in regions where the average family size is 2.8 people?
SELECT MAX("Number of people") FROM table_20505 WHERE "Average family size" = '2.8'
SELECT MAX("Number of people") FROM "table_20505" WHERE "Average family size" = '2.8'