Which month in 2013 did the U.S. use the ruby birthstone?
CREATE TABLE table_name_76 (month VARCHAR, us__2013_ VARCHAR)
SELECT month FROM table_name_76 WHERE us__2013_ = "ruby"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_76 (month VARCHAR, us__2013_ VARCHAR) Question: Which month in 2013 did the U.S. use the ruby birthstone? [/INST] SELECT month FROM table_name_76 WHERE us__2013_ = "ruby" </s>