CREATE TABLE table_27842 ("Institution" TEXT, "Location" TEXT, "Type" TEXT, "Joined" FLOAT, "Enrollment" FLOAT, "Nickname" TEXT)

What type of institution is San Diego Christian college?
SELECT "Type" FROM table_27842 WHERE "Institution" = 'San Diego Christian College'
SELECT "Type" FROM "table_27842" WHERE "Institution" = 'San Diego Christian College'