What year was a Rial Arc2 chassis used?
CREATE TABLE table_name_55 (year INTEGER, chassis VARCHAR)
SELECT SUM(year) FROM table_name_55 WHERE chassis = "rial arc2"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_55 (year INTEGER, chassis VARCHAR) Question: What year was a Rial Arc2 chassis used? [/INST] SELECT SUM(year) FROM table_name_55 WHERE chassis = "rial arc2" </s>