CREATE TABLE table_60046 ("Summoned" TEXT, "Elected" TEXT, "Assembled" TEXT, "Dissolved" TEXT, "1st member" TEXT, "2nd member" TEXT)

Who is the second member that was elected in 1555?
SELECT "2nd member" FROM table_60046 WHERE "Elected" = '1555'
SELECT "2nd member" FROM "table_60046" WHERE "Elected" = '1555'