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_25802689_14 ( stage INTEGER, mountains_classification VARCHAR )

### Question ###
What is the earliest stage where mountains classifications was awarded to Peter Stetina?

### Accurate SQL ###

SELECT MIN(stage) FROM table_25802689_14 WHERE mountains_classification = "Peter Stetina"