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_28528 ( "Stage" real, "Winner" text, "General classification" text, "Points Classification" text, "Mountains Classification" text, "Sprints Classification" text, "Team Classification" text )

### Question ###
How many sprints classifications were associated with an overall winner of Joaquin Rodriguez?

### Accurate SQL ###

SELECT COUNT("Sprints Classification") FROM table_28528 WHERE "Winner" = 'Joaquin Rodriguez'