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_206361_2 (length__in_m_ INTEGER, average_climb___percentage_ VARCHAR)

### Question ###
What is the minimum length of the locations where the average climb percentage is exactly 59%?

### Accurate SQL ###

SELECT MIN(length__in_m_) FROM table_206361_2 WHERE average_climb___percentage_ = 59