Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Date | Type | EU Council presidency | President-in-Office | Host city |
| --- | --- | --- | --- | --- | --- |
| 1975.0 | 10–11 March | ― | Ireland | Liam Cosgrave | Dublin |
| 1975.0 | 16–17 July | ― | Italy | Aldo Moro | Brussels |
| 1975.0 | 1–2 December | ― | Italy | Aldo Moro | Rome |
| 1976.0 | 1–2 April | ― | Luxembourg | Gaston Thorn | Luxembourg |
| 1976.0 | 12–13 July | ― | Netherlands | Joop den Uyl | Brussels |
| 1976.0 | 29–30 November | ― | Netherlands | Joop den Uyl | The Hague |
| 1977.0 | 25–27 March | ― | UK | James Callaghan | Rome |
| 1977.0 | 29–30 June | ― | UK | James Callaghan | London |
| 1977.0 | 5–6 December | ― | Belgium | Leo Tindemans | Brussels |
| 1978.0 | 7–8 April | ― | Denmark | Anker Jørgensen | Copenhagen |
| 1978.0 | 6–7 July | ― | Germany | Helmut Schmidt | Bremen |
| 1978.0 | 4–5 December | ― | Germany | Helmut Schmidt | Brussels |
| 1979.0 | 12–13 March | ― | France | Valéry Giscard d'Estaing | Paris |
| 1979.0 | 21–22 June | ― | France | Valéry Giscard d'Estaing | Strasbourg |
| 1979.0 | 29–30 November | ― | Ireland | Jack Lynch | Dublin |
| 1980.0 | 17–18 April | ― | Italy | Francesco Cossiga | Luxembourg |
| 1980.0 | 12–13 June | ― | Italy | Francesco Cossiga | Venice |
| 1980.0 | 1–2 December | ― | Luxembourg | Pierre Werner | Luxembourg |
| 1981.0 | 23–24 March | ― | Netherlands | Dries van Agt | Maastricht |
| 1981.0 | 29–30 June | ― | Netherlands | Dries van Agt | Luxembourg |
| 1981.0 | 26–27 November | ― | UK | Margaret Thatcher | London |
| 1982.0 | 29–30 March | ― | Belgium | Wilfried Martens | Brussels |
| 1982.0 | 28–29 June | ― | Belgium | Wilfried Martens | Brussels |
| 1982.0 | 3–4 December | ― | Denmark | Poul Schlüter | Copenhagen |
| 1983.0 | 21–22 March | ― | Germany | Helmut Kohl | Brussels |
| 1983.0 | 17–19 June | ― | Germany | Helmut Kohl | Stuttgart |
| 1983.0 | 4–6 December | ― | Greece | Andreas Papandreou | Athens |
| 1984.0 | 19–20 March | ― | France | François Mitterrand | Brussels |
| 1984.0 | 25–26 June | ― | France | François Mitterrand | Fontainebleau |
| 1984.0 | 3–4 December | ― | Ireland | Garret FitzGerald | Dublin |
| 1985.0 | 29–30 March | ― | Italy | Bettino Craxi | Brussels |
| 1985.0 | 28–29 June | ― | Italy | Bettino Craxi | Milan |
| 1985.0 | 2–3 December | ― | Luxembourg | Jacques Santer | Luxembourg |
| 1986.0 | 26–27 June | ― | Netherlands | Ruud Lubbers | The Hague |
| 1986.0 | 5–6 December | ― | UK | Margaret Thatcher | London |
| 1987.0 | 29–30 June | ― | Belgium | Wilfried Martens | Brussels |
| 1987.0 | 4–5 December | ― | Denmark | Poul Schlüter | Copenhagen |
| 1988.0 | 11–13 February | ― | Germany | Helmut Kohl | Brussels |
| 1988.0 | 27–28 June | ― | Germany | Helmut Kohl | Hanover |
| 1988.0 | 2–3 December | ― | Greece | Andreas Papandreou | Rhodes |
| 1989.0 | 26–27 June | ― | Spain | Felipe González | Madrid |
| 1989.0 | 18 November | Informal | France | François Mitterrand | Paris |
| 1989.0 | 8–9 December | ― | France | François Mitterrand | Strasbourg |
| 1990.0 | 28 April | Extraordinary | Ireland | Charles Haughey | Dublin |
| 1990.0 | 25–26 June | ― | Ireland | Charles Haughey | Dublin |
| 1990.0 | 27–28 October | ― | Italy | Giulio Andreotti | Rome |
| 1990.0 | 14–15 December | ― | Italy | Giulio Andreotti | Rome |
| 1991.0 | 8 April | Informal | Luxembourg | Jacques Santer | Luxembourg |
| 1991.0 | 28–29 June | ― | Luxembourg | Jacques Santer | Luxembourg |
| 1991.0 | 9–10 December | ― | Netherlands | Ruud Lubbers | Maastricht |
| 1992.0 | 27 June | ― | Portugal | Aníbal Cavaco Silva | Lisbon |
| 1992.0 | 16 October | ― | UK | John Major | Birmingham |
| 1992.0 | 11–12 December | ― | UK | John Major | Edinburgh |
| 1993.0 | 21–22 June | ― | Denmark | Poul Nyrup Rasmussen | Copenhagen |
| 1993.0 | 29 October | ― | Belgium | Jean-Luc Dehaene | Brussels |
| 1993.0 | 10–11 December | ― | Belgium | Jean-Luc Dehaene | Brussels |
| 1994.0 | 24–25 June | ― | Greece | Andreas Papandreou | Corfu |
| 1994.0 | 15 July | ― | Germany | Helmut Kohl | Brussels |
| 1994.0 | 9–10 December | ― | Germany | Helmut Kohl | Essen |
| 1995.0 | 26–27 June | ― | France | Jacques Chirac | Cannes |
| 1995.0 | 22–23 October | Extraordinary | Spain | Felipe González | Majorca |
| 1995.0 | 15–16 December | ― | Spain | Felipe González | Madrid |
| 1996.0 | 29–30 March | ― | Italy | Lamberto Dini | Turin |
| 1996.0 | 21–22 June | ― | Italy | Romano Prodi | Florence |
| 1996.0 | 5 October | Extraordinary | Ireland | John Bruton | Dublin |
| 1996.0 | 13–14 December | ― | Ireland | John Bruton | Dublin |
| 1997.0 | 23 May | Informal | Netherlands | Wim Kok | Noordwijk |
| 1997.0 | 16–17 June | ― | Netherlands | Wim Kok | Amsterdam |
| 1997.0 | 20–21 November | Extraordinary | Luxembourg | Jean-Claude Juncker | Luxembourg |
| 1997.0 | 12–13 December | ― | Luxembourg | Jean-Claude Juncker | Luxembourg |
| 1998.0 | 3 May | ― | UK | Tony Blair | Brussels |
| 1998.0 | 15–16 June | ― | UK | Tony Blair | Cardiff |
| 1998.0 | 24–25 October | Informal | Austria | Viktor Klima | Pörtschach |
| 1998.0 | 11–12 December | ― | Austria | Viktor Klima | Vienna |
| 1999.0 | 26 February March | Informal | Germany | Gerhard Schröder | Königswinter |
| 1999.0 | 25–26 March | ― | Germany | Gerhard Schröder | Berlin |
| 1999.0 | 14 April | Informal | Germany | Gerhard Schröder | Brussels |
| 1999.0 | 3–4 June | ― | Germany | Gerhard Schröder | Cologne |
| 1999.0 | 15–16 October | ― | Finland | Paavo Lipponen | Tampere |
| 1999.0 | 10–11 December | ― | Finland | Paavo Lipponen | Helsinki |
| 2000.0 | 23–24 March | ― | Portugal | António Guterres | Lisbon |
| 2000.0 | 19–20 June | ― | Portugal | António Guterres | Santa Maria da Feira |
| 2000.0 | 13–14 October | Informal | France | Jacques Chirac | Biarritz |
| 2000.0 | 7–9 December | ― | France | Jacques Chirac | Nice |
| 2001.0 | 23–24 March | ― | Sweden | Göran Persson | Stockholm |
| 2001.0 | 15–16 June | ― | Sweden | Göran Persson | Gothenburg |
| 2001.0 | 21 September | Informal | Belgium | Guy Verhofstadt | Brussels |
| 2001.0 | 19 October | Informal | Belgium | Guy Verhofstadt | Ghent |
| 2001.0 | 14–15 December | ― | Belgium | Guy Verhofstadt | Laken |
| 2002.0 | 15–16 March | ― | Spain | José María Aznar López | Barcelona |
| 2002.0 | 21–22 June | ― | Spain | José María Aznar López | Seville |
| 2002.0 | 24–25 October | ― | Denmark | Anders Fogh Rasmussen | Brussels |
| 2002.0 | 12–13 December | ― | Denmark | Anders Fogh Rasmussen | Copenhagen |
| 2003.0 | 17 February | Extraordinary | Greece | Costas Simitis | Brussels |
| 2003.0 | 20–21 March | ― | Greece | Costas Simitis | Brussels |
| 2003.0 | 16–17 April | Informal | Greece | Costas Simitis | Athens |
| 2003.0 | 20 June | ― | Greece | Costas Simitis | Thessaloniki |
| 2003.0 | 4 October | Extraordinary | Italy | Silvio Berlusconi | Rome |
| 2003.0 | 16–17 October | ― | Italy | Silvio Berlusconi | Brussels |
| 2003.0 | 12–13 December | ― | Italy | Silvio Berlusconi | Brussels |
| 2004.0 | 25–26 March | ― | Ireland | Bertie Ahern | Brussels |
| 2004.0 | 17–18 June | ― | Ireland | Bertie Ahern | Brussels |
| 2004.0 | 4–5 November | ― | Netherlands | Jan Peter Balkenende | Brussels |
| 2004.0 | 16–17 December | ― | Netherlands | Jan Peter Balkenende | Brussels |
| 2005.0 | 22–23 March | ― | Luxembourg | Jean-Claude Juncker | Brussels |
| 2005.0 | 16–17 June | ― | Luxembourg | Jean-Claude Juncker | Brussels |
| 2005.0 | 27 October | Informal | UK | Tony Blair | Hampton Court |
| 2005.0 | 15–16 December | ― | UK | Tony Blair | Brussels |
| 2006.0 | 23–24 March | ― | Austria | Wolfgang Schüssel | Brussels |
| 2006.0 | 15–16 June | ― | Austria | Wolfgang Schüssel | Brussels |
| 2006.0 | 20 October | Informal | Finland | Matti Vanhanen | Lahti |
| 2006.0 | 14–15 December | ― | Finland | Matti Vanhanen | Brussels |
| 2007.0 | 8–9 March | ― | Germany | Angela Merkel | Brussels |
| 2007.0 | 21–22 June | ― | Germany | Angela Merkel | Brussels |
| 2007.0 | 18–19 October | Informal | Portugal | José Sócrates | Lisbon |
| 2007.0 | 14 December | ― | Portugal | José Sócrates | Brussels |
| 2008.0 | 13–14 March | ― | Slovenia | Janez Janša | Brussels |
| 2008.0 | 19–20 June | ― | Slovenia | Janez Janša | Brussels |
| 2008.0 | 13–14 July | Extraordinary | France | Nicolas Sarkozy | Paris |
| 2008.0 | 1 September | Extraordinary | France | Nicolas Sarkozy | Brussels |
| 2008.0 | 12 October | Euro summit | France | Nicolas Sarkozy | Paris |
| 2008.0 | 15–16 October | ― | France | Nicolas Sarkozy | Brussels |
| 2008.0 | 7 November | Informal | France | Nicolas Sarkozy | Brussels |
| 2008.0 | 11–12 December | ― | France | Nicolas Sarkozy | Brussels |
| 2009.0 | 1 March | Informal | Czech Republic | Mirek Topolánek | Brussels |
| 2009.0 | 19–20 March | ― | Czech Republic | Mirek Topolánek | Brussels |
| 2009.0 | 5 April | Informal (EU-USA summit) | Czech Republic | Jan Fischer | Prague |
| 2009.0 | 18–19 June | ― | Czech Republic | Jan Fischer | Brussels |
| 2009.0 | 17 September | Informal | Sweden | Fredrik Reinfeldt | Brussels |
| 2009.0 | 29–30 October | ― | Sweden | Fredrik Reinfeldt | Brussels |
| 2009.0 | 19 November | Informal | Sweden | Fredrik Reinfeldt | Brussels |
| 2009.0 | 10–11 December | — | Sweden | Fredrik Reinfeldt | Brussels |
Question:
In which host city was Margaret Thatcher the President-in-Office in 1981?
Answer:
London