CREATE TABLE table_78813 ("Election" TEXT, "1st Member" TEXT, "1st Party" TEXT, "2nd Member" TEXT, "2nd Party" TEXT)

What's the party of 2nd member arthur divett hayter when the 1st party is conservative?
SELECT "2nd Party" FROM table_78813 WHERE "1st Party" = 'conservative' AND "2nd Member" = 'arthur divett hayter'
SELECT "2nd Party" FROM "table_78813" WHERE "1st Party" = 'conservative' AND "2nd Member" = 'arthur divett hayter'