How many different dates are there for founded teams for the venue of champion window field?
CREATE TABLE table_name_77 (founded VARCHAR, venue VARCHAR)
SELECT COUNT(founded) FROM table_name_77 WHERE venue = "champion window field"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_77 (founded VARCHAR, venue VARCHAR) Question: How many different dates are there for founded teams for the venue of champion window field? [/INST] SELECT COUNT(founded) FROM table_name_77 WHERE venue = "champion window field" </s>