Table: conference_institutions_3
Columns: institution
nickname
location
founded
type
enrollment
joined
left
current_conference

Question: What's the minimal enrollment of any of the schools?
SQL: SELECT MIN("enrollment") FROM conference_institutions_3

Question: When was the school whose students are nicknamed Rams founded?
SQL: SELECT MAX("founded") FROM conference_institutions_3 WHERE "nickname" = 'Rams'

Question: What's the type of the school whose students are nicknamed Chargers?
SQL: SELECT "type" FROM conference_institutions_3 WHERE "nickname" = 'Chargers'

Question: When was the school in Philadelphia, Pennsylvania founded?
SQL: SELECT "founded" FROM conference_institutions_3 WHERE "location" = 'Philadelphia, Pennsylvania'