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_21 (driver VARCHAR, tyre VARCHAR, entrant VARCHAR)

### Question ###
Who was the driver of the Officine Alfieri Maserati with a Tyre of P?

### Accurate SQL ###

SELECT driver FROM table_name_21 WHERE tyre = "p" AND entrant = "officine alfieri maserati"