CREATE TABLE table_28477 ("Institution" TEXT, "Location" TEXT, "Founded" FLOAT, "Type" TEXT, "Enrollment" FLOAT, "Joined" TEXT, "Nickname" TEXT, "Primary Conference when joining the CSFL" TEXT)

What was the primary conference when joining the cslf for the institution that was founded in 1894
SELECT "Primary Conference when joining the CSFL" FROM table_28477 WHERE "Founded" = '1894'
SELECT "Primary Conference when joining the CSFL" FROM "table_28477" WHERE "Founded" = '1894'