Question: Which number has a 0.35 percentage?
SQL: SELECT "Number" FROM "2-12165278-1" WHERE "percentage (%)" = '0.35';

Question: What is the percentage for Russian?
SQL: SELECT "percentage (%)" FROM "2-12165278-1" WHERE "Language" = 'Russian';

Question: How many males speak Russian?
SQL: SELECT "males" FROM "2-12165278-1" WHERE "Language" = 'Russian';