Fix question page titles when only one question
Fix question page titles when only one question

There should only be a question page title if there are more headings
than questions, which is the same logic as in question.

This was causing a question page title, the same as the first (and
only) question, to appear within previous answers.

alphagov/smartdown,alphagov/smartdown,ministryofjustice/smartdown,ministryofjustice/smartdown