Question: How many different second members were there when John Rudhale was first member?
SQL: SELECT COUNT("Second member") FROM "1-15451122-2" WHERE "First member" = 'John Rudhale';

Question: What date was parliament assembled when John Rudhale was first member?
SQL: SELECT "Assembled" FROM "1-15451122-2" WHERE "First member" = 'John Rudhale';