When was the site listed 03/31/1989 in rockingham county proposed?
CREATE TABLE table_name_6 (proposed VARCHAR, listed VARCHAR, county VARCHAR)
SELECT proposed FROM table_name_6 WHERE listed = "03/31/1989" AND county = "rockingham"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_6 (proposed VARCHAR, listed VARCHAR, county VARCHAR) Question: When was the site listed 03/31/1989 in rockingham county proposed? [/INST] SELECT proposed FROM table_name_6 WHERE listed = "03/31/1989" AND county = "rockingham" </s>