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_name_49 (minimum_height VARCHAR, name_of_the_tunnel VARCHAR)

### Question ###
What is the minimum Height of the Little Switzerland Tunnel?

### Accurate SQL ###

SELECT minimum_height FROM table_name_49 WHERE name_of_the_tunnel = "little switzerland tunnel"