Who is the second member with first member Sir Rowland Hill, BT, and a conservative second party?
CREATE TABLE "m_ps_1832_1885" (
  "election" text,
  "first_member" text,
  "first_party" text,
  "second_member" text,
  "second_party" text
);
SELECT "second_member" FROM "m_ps_1832_1885" WHERE "first_member"='sir rowland hill, bt' AND "second_party"='conservative';