What was the year when West Manila has a tariff increase of 6.5?
CREATE TABLE table_17302440_1 (year VARCHAR, west_manila VARCHAR)
SELECT year FROM table_17302440_1 WHERE west_manila = "6.5"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_17302440_1 (year VARCHAR, west_manila VARCHAR) Question: What was the year when West Manila has a tariff increase of 6.5? [/INST] SELECT year FROM table_17302440_1 WHERE west_manila = "6.5" </s>