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_23157997_13 ( winner VARCHAR, mountains_classification VARCHAR, points_classification VARCHAR )

### Question ###
Who won the race with Tom Zirbel as Mountains Classification and Thomas Soladay as Points Classification?

### Accurate SQL ###

SELECT winner FROM table_23157997_13 WHERE mountains_classification = "Tom Zirbel" AND points_classification = "Thomas Soladay"