Table: af2_teams
Columns: team
city
arena
founded
first_af2_season
final_af2_season

Question: How many founded years had a final af2 season prior to 2009 where the arena was the bi-lo center and the first af2 season was prior to 2000?
SQL: SELECT COUNT("founded") FROM af2_teams WHERE "final_af2_season" < 2009 AND "arena" = 'bi-lo center' AND "first_af2_season" < 2000

Question: What is the mean Founded number when the team is the Baton Rouge Blaze?
SQL: SELECT AVG("founded") FROM af2_teams WHERE "team" = 'baton rouge blaze'