What year was the main role a character named Guan Yu (關羽)?
CREATE TABLE table_name_89 (year INTEGER, role VARCHAR, character VARCHAR)
SELECT MIN(year) FROM table_name_89 WHERE role = "main" AND character = "guan yu (關羽)"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_89 (year INTEGER, role VARCHAR, character VARCHAR) Question: What year was the main role a character named Guan Yu (關羽)? [/INST] SELECT MIN(year) FROM table_name_89 WHERE role = "main" AND character = "guan yu (關羽)" </s>