CREATE TABLE table_28390 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Nickname" TEXT, "Joined" TEXT, "Primary Conference" TEXT, "Colors" TEXT)

What is the colors for the nickname engineers?
SELECT "Colors" FROM table_28390 WHERE "Nickname" = 'Engineers'
SELECT "Colors" FROM "table_28390" WHERE "Nickname" = 'Engineers'