What was the sum of the years, when the entrant was Scuderia Ferrari, and when the Chassis was Ferrari 312/66?
CREATE TABLE table_name_68 (year INTEGER, entrant VARCHAR, chassis VARCHAR)
SELECT SUM(year) FROM table_name_68 WHERE entrant = "scuderia ferrari" AND chassis = "ferrari 312/66"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_68 (year INTEGER, entrant VARCHAR, chassis VARCHAR) Question: What was the sum of the years, when the entrant was Scuderia Ferrari, and when the Chassis was Ferrari 312/66? [/INST] SELECT SUM(year) FROM table_name_68 WHERE entrant = "scuderia ferrari" AND chassis = "ferrari 312/66" </s>