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 teachers ( classroom VARCHAR, firstname VARCHAR, lastname VARCHAR )
TABLE: CREATE TABLE list ( classroom VARCHAR )

### Question ###
Find the number of students taught by TARRING LEIA.

### Accurate SQL ###

SELECT COUNT(*) FROM list AS T1 JOIN teachers AS T2 ON T1.classroom = T2.classroom WHERE T2.firstname = "TARRING" AND T2.lastname = "LEIA"