CREATE TABLE table_27724 ("Institution" CLOB, "Location" CLOB, "Nickname" CLOB, "Founded" FLOAT, "Type" CLOB, "Enrollment" FLOAT, "Joined" FLOAT)

What institution joined in 1988?
SELECT "Institution" FROM table_27724 WHERE "Joined" = '1988'
SELECT "Institution" FROM "table_27724" WHERE "Joined" = '1988'