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_68588 ( "Terminal" text, "Operator" text, "Depth (m)" text, "Berths" real, "Quay cranes" real )

### Question ###
Name the lowest Quay cranes for Berths of 1 and operator of mtl with terminal of terminal 5 (ct5)

### Accurate SQL ###

SELECT MIN("Quay cranes") FROM table_68588 WHERE "Berths" = '1' AND "Operator" = 'mtl' AND "Terminal" = 'terminal 5 (ct5)'