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_17814458_1 (name_or_route VARCHAR, slope_length VARCHAR)

### Question ###
Name the name or route for slope length being 336

### Accurate SQL ###

SELECT name_or_route FROM table_17814458_1 WHERE slope_length = 336