Question: What is the number of the Belarusian language?
SQL: SELECT "Number" FROM "2-17051786-1" WHERE "Language" = 'Belarusian';

Question: What is the number with an 80.62 percentage?
SQL: SELECT "Number" FROM "2-17051786-1" WHERE "percentage (%)" = '80.62';

Question: How many males have a percentage of 80.62?
SQL: SELECT "males" FROM "2-17051786-1" WHERE "percentage (%)" = '80.62';