For how many years combined were Frank Gifford and Dan Dierdorf color commentators?
CREATE TABLE table_name_61 (year VARCHAR, color_commentator_s_ VARCHAR)
SELECT COUNT(year) FROM table_name_61 WHERE color_commentator_s_ = "frank gifford and dan dierdorf"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_61 (year VARCHAR, color_commentator_s_ VARCHAR) Question: For how many years combined were Frank Gifford and Dan Dierdorf color commentators? [/INST] SELECT COUNT(year) FROM table_name_61 WHERE color_commentator_s_ = "frank gifford and dan dierdorf" </s>