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:
| Rank | Building | City | Height (m/ft) | Built |
| --- | --- | --- | --- | --- |
| 1.0 | Floreasca City Center Sky Tower | Bucharest | m (ft) | 2012.0 |
| 2.0 | Basarab Tower | Bucharest | m (ft) | 1988.0 |
| 3.0 | Bucharest Tower Center (BTC) | Bucharest | m (ft) | 2008.0 |
| 4.0 | Casa Presei Libere | Bucharest | m (ft) | 1956.0 |
| 5.0 | Administrative Palace | Satu Mare | m (ft) | 1984.0 |
| 6.0 | Asmita T3 | Bucharest | m (ft) | 2009.0 |
| 7.0 | Palace of the Parliament | Bucharest | m (ft) | 1988.0 |
| 8.0 | Bucharest Financial Plaza | Bucharest | m (ft) | 1997.0 |
| 9.0 | BRD Tower | Bucharest | m (ft) | 2003.0 |
| 10.0 | Charles de Gaulle Plaza | Bucharest | m (ft) | 2005.0 |
| 10.0 | Euro Tower | Bucharest | m (ft) | 2012.0 |
| 11.0 | InterContinental Bucharest | Bucharest | m (ft) | 1970.0 |
| 12.0 | Monaco Towers | Bucharest | m (ft) | 2009.0 |
| 12.0 | Nusco Tower | Bucharest | m (ft) | 2010.0 |
| 13.0 | Cathedral Plaza | Bucharest | m (ft) | 2010.0 |
| 13.0 | City Gate Towers | Bucharest | m (ft) | 2009.0 |
| 14.0 | Palas Residential Tower | Iași | m (ft) | 2012.0 |
| 15.0 | Millennium Business Center | Bucharest | m (ft) | 2006.0 |
| 16.0 | Howard Johnson Hotel Bucharest | Bucharest | m (ft) | 2001.0 |
| 16.0 | Alia Apartments | Bucharest | m (ft) | 2009.0 |
| 17.0 | Business Development Center Bucharest | Bucharest | m (ft) | 2004.0 |
| 18.0 | UN Plaza | Bucharest | m (ft) | 1978.0 |
| 19.0 | Petre Andrei University of Iași | Iași | m (ft) | 2004.0 |
| 19.0 | Fructus Tower | Timișoara | m (ft) | 2011.0 |
| 19.0 | PGV Tower | Bucharest | m (ft) | 2006.0 |
| 19.0 | Rin Grand Hotel | Bucharest | m (ft) | 2008.0 |
| 20.0 | BOS Tower | Bucharest | m (ft) | 2007.0 |
| 20.0 | Premium Plaza | Bucharest | m (ft) | 2007.0 |
| 21.0 | Griro Tower | Bucharest | m (ft) | 1984.0 |
| 21.0 | Bucharest Corporate Center | Bucharest | m (ft) | 2007.0 |
Question:
What is the sum of Rank with a build year earlier than 2007 for the howard johnson hotel bucharest?
Answer:
16.0