CREATE TABLE table_68104 ("Election" TEXT, "1st Member" TEXT, "1st Party" TEXT, "2nd Member" TEXT, "2nd Party" TEXT)

what is the election year with henry wyndham as 2nd member and walter barttelot as 1st?
SELECT "Election" FROM table_68104 WHERE "2nd Member" = 'henry wyndham' AND "1st Member" = 'walter barttelot'
SELECT "Election" FROM "table_68104" WHERE "1st Member" = 'walter barttelot' AND "2nd Member" = 'henry wyndham'