CREATE TABLE table_name_41 (weight__kg_ INT, position VARCHAR, jersey__number VARCHAR)

What was the highest weight in kg for F Position, Jersey #12?
SELECT MAX(weight__kg_) FROM table_name_41 WHERE position = "f" AND jersey__number = 12
SELECT MAX("weight__kg_") FROM "table_name_41" WHERE "f" = "position" AND "jersey__number" = 12