Question: When is the earliest year opened for huff hall that was established after 1974?
SQL: SELECT MIN("Opened") FROM "2-110872-3" WHERE "Venue" = 'huff hall' AND "Established" > 1974.0;

Question: What is the smallest number of big ten conference titles for teams with a capacity of 60670 and over 5 national titles?
SQL: SELECT MIN("Big Ten Conference Titles") FROM "2-110872-3" WHERE "Capacity" = 60670.0 AND "National Titles" > 5.0;