How many years have a Pick of 12, and a Position of dt, and a College of penn state?
CREATE TABLE table_name_20 (year VARCHAR, college VARCHAR, pick VARCHAR, position VARCHAR)
SELECT COUNT(year) FROM table_name_20 WHERE pick = "12" AND position = "dt" AND college = "penn state"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_20 (year VARCHAR, college VARCHAR, pick VARCHAR, position VARCHAR) Question: How many years have a Pick of 12, and a Position of dt, and a College of penn state? [/INST] SELECT COUNT(year) FROM table_name_20 WHERE pick = "12" AND position = "dt" AND college = "penn state" </s>