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_16186152_1 ( delegates VARCHAR, candidate VARCHAR )

### Question ###
Candidate John Mccain had how many delegates?

### Accurate SQL ###

SELECT delegates FROM table_16186152_1 WHERE candidate = "John McCain"