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  Britain beat the USA and Australia at the venue last year, on their way to winning the title for the first time in 79 years.
  Victories over Japan and Serbia have earned Leon Smith's team a place in the semi-finals.
  Their tie with Argentina will be played on 16-18 September.
  The winner will play either France or Croatia in the final in November.
  Find out how to get into tennis in our special guide.
  You can now add tennis alerts in the BBC Sport app - simply head to the menu and My Alerts section
target: The Davis Cup semi-final between defending champions Great Britain and Argentina will be played at the Emirates Arena in Glasgow.