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_98 ( date VARCHAR, test_debut VARCHAR, position VARCHAR, year VARCHAR )

### Question ###
What date has a Position of back, later than 1964, and a Test debut of 1st rl test v new zealand?

### Accurate SQL ###

SELECT date FROM table_name_98 WHERE position = "back" AND year > 1964 AND test_debut = "1st rl test v new zealand"