SW postcode area

Columns: Postcode district | Post town | Coverage | Local authority area
SW1A | LONDON | Whitehall , Buckingham Palace , the Houses of Parliament and west of St James 's | Westminster | SW1E | LONDON | Northern 'Victoria ' around Buckingham Gate ( a street ) to include both sides of part of Victoria Street | Westminster | SW1H | LONDON | Surrounds of St James 's Park tube station centred on Broadway , Queen Anne 's Gate and Old Queen Street to include both sides of part of Victoria Street - derivation : Horse Guards Parade | Westminster | SW1P | LONDON | A projection around Parliament Square . Nearby Westminster School to Westminster Cathedral to CCAL , University of the Arts , London ( omitting all backstreets nearest to Vauxhall Bridge Road ) - derivation : Parliament Square | Westminster | SW1V | LONDON | between Vauxhall Bridge , Grosvenor ( or Victoria Railway ) Bridge and Victoria Station , taking in both sides of Vauxhall Bridge Road ; includes Pimlico | Westminster | SW1W | LONDON | South or lower Belgravia and Chelsea ( a corner ) , from Sloane Square to Victoria Station to Grosvenor Waterside basin | Westminster , Kensington and Chelsea | SW1X | LONDON | Rest of Belgravia ( north of Eaton Square ) , Knightsbridge ( eastern half ) and Chelsea ( a corner ) | Westminster , Kensington and Chelsea

Example questions:
What was the main development in this central district in the 17th century in SW postcode area , which has the post code SW1A ? | From the site located in the are that hosts the least amount of coverage in the SW postcode area , how close is it to Charing Cross ? | In the SW postcode area , how many postcode districts share a coverage area with each other within the region of Lambeth ? | Out of the areas in Westminster , in the SW postcode area , which commercial district used to be a residential one ?

Answers:
residential | 5.3 miles | 5 | St. James 's