Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_63 ( transfer_window VARCHAR, name VARCHAR, transfer_fee VARCHAR, moving_to VARCHAR )

### Question ###
What is the transfer window with n/a as the Transfer fee, free agent for the Moving to, and Joe Sagar as the name?

### Accurate SQL ###

SELECT transfer_window FROM table_name_63 WHERE transfer_fee = "n/a" AND moving_to = "free agent" AND name = "joe sagar"