What is the intro date for the interface that equals pci?
CREATE TABLE table_29778616_1 (intro_date VARCHAR, interface VARCHAR)
SELECT intro_date FROM table_29778616_1 WHERE interface = "PCI"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_29778616_1 (intro_date VARCHAR, interface VARCHAR) Question: What is the intro date for the interface that equals pci? [/INST] SELECT intro_date FROM table_29778616_1 WHERE interface = "PCI" </s>