How many types of valves were used on this engine that was built on 1902-05?
CREATE TABLE table_25695027_1 (valves VARCHAR, years_built VARCHAR)
SELECT COUNT(valves) FROM table_25695027_1 WHERE years_built = "1902-05"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_25695027_1 (valves VARCHAR, years_built VARCHAR) Question: How many types of valves were used on this engine that was built on 1902-05? [/INST] SELECT COUNT(valves) FROM table_25695027_1 WHERE years_built = "1902-05" </s>