CREATE TABLE table_2116 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Nickname" TEXT, "Joined" FLOAT)

In what year did the Lions join?
SELECT MIN("Joined") FROM table_2116 WHERE "Nickname" = 'Lions'
SELECT MIN("Joined") FROM "table_2116" WHERE "Nickname" = 'Lions'