Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the minimum gross tonnage of the Munich?

### Inputs:
table_name: table, columns: ['Ships name', 'Entered service', 'Ended service', 'Gross Tonnage', 'Type of Vessel']

### Response:
SELECT MIN Gross Tonnage FROM table WHERE Ships name = Munich