CREATE TABLE table_64242 ("School" CLOB, "Location" CLOB, "Mascot" CLOB, "Enrollment" FLOAT, "IHSAA Class" CLOB, "County" CLOB, "Year Joined" FLOAT, "Previous Conference" CLOB)

Name the lowest Year Joined which has a Mascot of pioneers?
SELECT MIN("Year Joined") FROM table_64242 WHERE "Mascot" = 'pioneers'
SELECT MIN("Year Joined") FROM "table_64242" WHERE "Mascot" = 'pioneers'