Table: piotrkow_linguistics
Columns: language
number
percentage
males
females

Question: Which number has a 0.35 percentage?
SQL: SELECT "number" FROM piotrkow_linguistics WHERE "percentage" = '0.35'

Question: What is the percentage for Russian?
SQL: SELECT "percentage" FROM piotrkow_linguistics WHERE "language" = 'russian'

Question: How many males speak Russian?
SQL: SELECT "males" FROM piotrkow_linguistics WHERE "language" = 'russian'