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 people ( person_id VARCHAR, email_address VARCHAR )
TABLE: CREATE TABLE candidates ( candidate_id VARCHAR )

### Question ###
Find id of the candidate whose email is stanley.monahan@example.org?

### Accurate SQL ###

SELECT T2.candidate_id FROM people AS T1 JOIN candidates AS T2 ON T1.person_id = T2.candidate_id WHERE T1.email_address = "stanley.monahan@example.org"