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_73 (surname VARCHAR, dob VARCHAR, bats VARCHAR, position VARCHAR)

### Question ###
Which Surname has Bats of r, and a Position of p, and a DOB of 20 may 1989?

### Accurate SQL ###

SELECT surname FROM table_name_73 WHERE bats = "r" AND position = "p" AND dob = "20 may 1989"