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_19 (exit_date VARCHAR, transfer_fee VARCHAR, to_club VARCHAR)

### Question ###
What is the exit date of the player transferred to Reggina for free?

### Accurate SQL ###

SELECT exit_date FROM table_name_19 WHERE transfer_fee = "free" AND to_club = "reggina"