What is the length when the propulsion is controllable pitch propeller?
CREATE TABLE table_28132970_5 (length VARCHAR, propulsion VARCHAR)
SELECT length FROM table_28132970_5 WHERE propulsion = "Controllable pitch propeller"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_28132970_5 (length VARCHAR, propulsion VARCHAR) Question: What is the length when the propulsion is controllable pitch propeller? [/INST] SELECT length FROM table_28132970_5 WHERE propulsion = "Controllable pitch propeller" </s>