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_16751596_13 ( dates_administered VARCHAR, poll_source VARCHAR )

### Question ###
When the poll source is research 2000/daily kos, what is the total number of dates administered?

### Accurate SQL ###

SELECT COUNT(dates_administered) FROM table_16751596_13 WHERE poll_source = "Research 2000/Daily Kos"