CREATE TABLE table_20718 ("Institution" TEXT, "Location" TEXT, "Team Nickname" TEXT, "Joined TSCHL" FLOAT, "Home Arena" TEXT, "Capacity" FLOAT, "Team Website" TEXT)

For the flyers, what's the minimum capacity?
SELECT MIN("Capacity") FROM table_20718 WHERE "Team Nickname" = 'Flyers'
SELECT MIN("Capacity") FROM "table_20718" WHERE "Team Nickname" = 'Flyers'