What is the number of colour with the regisration number of mg-509?
CREATE TABLE table_11066073_1 (colour VARCHAR, registration_no VARCHAR)
SELECT COUNT(colour) FROM table_11066073_1 WHERE registration_no = "MG-509"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_11066073_1 (colour VARCHAR, registration_no VARCHAR) Question: What is the number of colour with the regisration number of mg-509? [/INST] SELECT COUNT(colour) FROM table_11066073_1 WHERE registration_no = "MG-509" </s>