one of the documented procedures in this installation of the ACS
events_pretty_venue_name   db   venue_id
What it does:
returns a pretty location and that location's name based upon a venue_id. If the venue_id is invalid, returns an empty string
Defined in: /web/philip/tcl/events-defs.tcl

Source code:

    set selection [ns_db 0or1row $db "select
    city, usps_abbrev, iso, venue_name
    from events_venues
    where venue_id = $venue_id"]
    if {[empty_string_p $selection]} {
	return ""

    set pretty_location "$venue_name: "
    return [append pretty_location [events_pretty_location $db $city $usps_abbrev $iso]]