CREATE TABLE table_name_15 (_number_of_phones_as__percentage_of_population INT, country_or_region VARCHAR)

What percent of the population has phone in Russia?
SELECT AVG(_number_of_phones_as__percentage_of_population) FROM table_name_15 WHERE country_or_region = "russia"
SELECT AVG("_number_of_phones_as__percentage_of_population") FROM "table_name_15" WHERE "country_or_region" = "russia"