Question: Of all the schools that left before 2003, what is the average year joined?
SQL: SELECT AVG("Year Joined") FROM "2-18710130-1" WHERE "Year Left" < 2003.0;

Question: What year did the ingots, who left after 2007, join?
SQL: SELECT COUNT("Year Joined") FROM "2-18710130-1" WHERE "Mascot" = 'ingots' AND "Year Left" > 2007.0;