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_2 ( elevation__m_ INTEGER, peak VARCHAR )

### Question ###
What is the elevation (m) of the Mount Wilhelm peak?

### Accurate SQL ###

SELECT MAX(elevation__m_) FROM table_18946749_2 WHERE peak = "Mount Wilhelm"