CREATE TABLE table_28939145_2 (Literate VARCHAR2, _percentage_of_district_population VARCHAR2)

how many literate males are there that has a district population of 6.65?
SELECT Literate AS male FROM table_28939145_2 WHERE _percentage_of_district_population = "6.65"
SELECT "Literate" AS "male" FROM "table_28939145_2" WHERE "6.65" = "_percentage_of_district_population"