CREATE TABLE table_28500 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Joined" FLOAT, "Nickname" TEXT)

What is Briar Cliff University's nickname?
SELECT "Nickname" FROM table_28500 WHERE "Institution" = 'Briar Cliff University'
SELECT "Nickname" FROM "table_28500" WHERE "Institution" = 'Briar Cliff University'