What is total number of years that has genre of first-person shooter?
CREATE TABLE table_name_50 (year INTEGER, genre VARCHAR)
SELECT SUM(year) FROM table_name_50 WHERE genre = "first-person shooter"
### Context: CREATE TABLE table_name_50 (year INTEGER, genre VARCHAR) ### Question: What is total number of years that has genre of first-person shooter? ### Answer: SELECT SUM(year) FROM table_name_50 WHERE genre = "first-person shooter"