CREATE TABLE table_name_72 (quay_cranes INTEGER, terminal VARCHAR, berths VARCHAR, operator VARCHAR)
Name the lowest Quay cranes for Berths of 1 and operator of mtl with terminal of terminal 5 (ct5)
SELECT MIN(quay_cranes) FROM table_name_72 WHERE berths = 1 AND operator = "mtl" AND terminal = "terminal 5 (ct5)"