CREATE TABLE "table1_15451122_2" (
  "elected" real,
  "assembled" text,
  "dissolved" text,
  "first_member" text,
  "second_member" text
);

Question: How many different second members were there when John rudhale was first member?
SQL: SELECT COUNT("second_member") FROM "table1_15451122_2" WHERE "first_member"='John Rudhale';

Question: What date was parliament assembled when John rudhale was first member?
SQL: SELECT "assembled" FROM "table1_15451122_2" WHERE "first_member"='John Rudhale';