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_29434211_1 ( poles VARCHAR, series VARCHAR )

### Question ###
How many poles does the European F3 Open series have?

### Accurate SQL ###

SELECT poles FROM table_29434211_1 WHERE series = "European F3 Open"