What is the IHSAA Class for football for the team joining in 1968?
CREATE TABLE table_name_15 (ihsaa_class VARCHAR, year_joined VARCHAR)
SELECT ihsaa_class AS Football FROM table_name_15 WHERE year_joined = 1968
### Context: CREATE TABLE table_name_15 (ihsaa_class VARCHAR, year_joined VARCHAR) ### Question: What is the IHSAA Class for football for the team joining in 1968? ### Answer: SELECT ihsaa_class AS Football FROM table_name_15 WHERE year_joined = 1968