Question: What was the primary conference when joining the cslf for the institution that was founded in 1894
SQL: SELECT "Primary Conference when joining the CSFL" FROM "1-262501-1" WHERE "Founded" = 1894.0;

Question: what was the primary conference when joining the csfl for the institution that joined in 2004-05? 
SQL: SELECT "Primary Conference when joining the CSFL" FROM "1-262501-1" WHERE "Joined" = '2004-05';