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 prescribes ( physician VARCHAR, medication VARCHAR )
TABLE: CREATE TABLE medication ( code VARCHAR, Brand VARCHAR )
TABLE: CREATE TABLE physician ( name VARCHAR, position VARCHAR, employeeid VARCHAR )

### Question ###
Find the name and position of physicians who prescribe some medication whose brand is X?

### Accurate SQL ###

SELECT DISTINCT T1.name, T1.position FROM physician AS T1 JOIN prescribes AS T2 ON T1.employeeid = T2.physician JOIN medication AS T3 ON T3.code = T2.medication WHERE T3.Brand = "X"