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_6002 ( "Stage" text, "Winner" text, "General classification" text, "Points classification" text, "Mountains classification" text, "Combination classification" text, "Team classification" text )

### Question ###
Which Mountains classification has a General classification of egoi mart nez, and a Stage of 9?

### Accurate SQL ###

SELECT "Mountains classification" FROM table_6002 WHERE "General classification" = 'egoi martínez' AND "Stage" = '9'