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

### Instruction:
What was the year when West Manila has a tariff increase of 6.5?

### Inputs:
table_name: table, columns: ['Year', 'West Manila', 'East Manila', 'Consumer Price Index (2005=100)', 'West Manila as a share of 1996 real tariff', 'East Manila as a share of 1996 real tariff']

### Response:
SELECT Year FROM table WHERE West Manila = 6.5