Table: high_school_conferences_5
Columns: school
mascot
location
size
ihsaa_class
county

Question: What is the county with an AA IHSAA class in ferdinand?
SQL: SELECT "county" FROM high_school_conferences_5 WHERE "ihsaa_class" = 'aa' AND "location" = 'ferdinand'

Question: What is the lowest size of the school with titans as the mascot?
SQL: SELECT MIN("size") FROM high_school_conferences_5 WHERE "mascot" = 'titans'

Question: What school has a size less than 674, has a county of 19 dubois, and has the rangers as their mascot?
SQL: SELECT "school" FROM high_school_conferences_5 WHERE "size" < 674 AND "county" = '19 dubois' AND "mascot" = 'rangers'