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_18946749_1 ( prominence__m_ INTEGER, peak VARCHAR )

### Question ###
When mount gauttier is the peak what is the highest prominence in meters?

### Accurate SQL ###

SELECT MAX(prominence__m_) FROM table_18946749_1 WHERE peak = "Mount Gauttier"