How many times was there a kickoff in the September 4, 1988 game? 
CREATE TABLE table_11452830_2 (a_ VARCHAR, kickoff_ VARCHAR, date VARCHAR)
SELECT COUNT(kickoff_) AS "a_" FROM table_11452830_2 WHERE date = "September 4, 1988"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_11452830_2 (a_ VARCHAR, kickoff_ VARCHAR, date VARCHAR) Question: How many times was there a kickoff in the September 4, 1988 game?  [/INST] SELECT COUNT(kickoff_) AS "a_" FROM table_11452830_2 WHERE date = "September 4, 1988" </s>