CREATE TABLE table_65663 ("School" TEXT, "City" TEXT, "Mascot" TEXT, "County" TEXT, "Year joined" FLOAT, "Previous Conference" TEXT, "Year Left" FLOAT, "Conference Joined" TEXT)

What conference did the city of Valparaiso join?
SELECT "Conference Joined" FROM table_65663 WHERE "City" = 'valparaiso'
SELECT "Conference Joined" FROM "table_65663" WHERE "City" = 'valparaiso'