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_13564 ( "Year" real, "Stage" real, "Start of stage" text, "Distance (km)" text, "Category of climb" text, "Stage winner" text, "Yellow jersey" text )

### Question ###
Who was the stage winner when the start of stage is Cauterets?

### Accurate SQL ###

SELECT "Stage winner" FROM table_13564 WHERE "Start of stage" = 'cauterets'