What is the namesake of the feature found at 189.5w longitude? 
CREATE TABLE table_16768245_2 (namesake VARCHAR, longitude VARCHAR)
SELECT namesake FROM table_16768245_2 WHERE longitude = "189.5W"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_16768245_2 (namesake VARCHAR, longitude VARCHAR) Question: What is the namesake of the feature found at 189.5w longitude?  [/INST] SELECT namesake FROM table_16768245_2 WHERE longitude = "189.5W" </s>