CREATE TABLE table_68589 ("Terminal" TEXT, "Operator" TEXT, "Depth  ( m ) " TEXT, "Berths" FLOAT, "Quay cranes" FLOAT)

Name the operator with berths more than 1 and depth of 12.5-15.5
SELECT "Operator" FROM table_68589 WHERE "Berths" > '1' AND "Depth (m)" = '12.5-15.5'
SELECT "Operator" FROM "table_68589" WHERE "Berths" > '1' AND "Depth (m)" = '12.5-15.5'