For how many years did Detroit have a passenger fare of $307.29?
CREATE TABLE table_name_99 (year INTEGER, detroit__dtw_ VARCHAR)
SELECT SUM(year) FROM table_name_99 WHERE detroit__dtw_ = "$307.29"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_99 (year INTEGER, detroit__dtw_ VARCHAR) Question: For how many years did Detroit have a passenger fare of $307.29? [/INST] SELECT SUM(year) FROM table_name_99 WHERE detroit__dtw_ = "$307.29" </s>