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_1997759_1 (registration VARCHAR, first_flew VARCHAR)

### Question ###
what is the registration located on 31 january 1975 where first flew?

### Accurate SQL ###

SELECT registration FROM table_1997759_1 WHERE first_flew = "31 January 1975"