CREATE TABLE table_name_86 (transfer_window VARCHAR, transfer_fee VARCHAR, name VARCHAR)

What is the Transfer window, when the Transfer fee is 'free', and when the Name is Dugdale?
SELECT transfer_window FROM table_name_86 WHERE transfer_fee = "free" AND name = "dugdale"
SELECT "transfer_window" FROM "table_name_86" WHERE "dugdale" = "name" AND "free" = "transfer_fee"