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_2190919_3 ( avg_start VARCHAR, avg_finish VARCHAR )

### Question ###
With an average finish of 29.0, what was the average start?

### Accurate SQL ###

SELECT avg_start FROM table_2190919_3 WHERE avg_finish = "29.0"