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:
| Index (Year) | Author / Editor / Source | Year of publication | Countries sampled | World Ranking (1) | Ranking L.A. (2) |
| --- | --- | --- | --- | --- | --- |
| Environmental Performance (2008) | Yale University | 2008 | 149.0 | 32nd | 5th |
| Democracy (2010) | The Economist | 2010 | 167.0 | 46th | 4th |
| Global Peace (2008) | The Economist | 2008 | 140.0 | 48th | 4th |
| Economic Freedom (2008) | The Wall Street Journal | 2008 | 157.0 | 46th | 3rd |
| Quality-of-life (2005) | The Economist | 2007 | 111.0 | 47th | 7th |
| Travel and Tourism Competitiveness (2008) | World Economic Forum | 2008 | 130.0 | 50th | 3rd |
| Press Freedom (2007) | Reporters Without Borders | 2007 | 169.0 | 54th | 5th |
| Global Competitiviness (2007) | World Economic Forum | 2007–08 | 131.0 | 59th | 3rd |
| Human Development (2005) | United Nations (UNDP) | 2007–08 | 177.0 | 62nd | 7th |
| Corruption Perception (2010) | Transparency International | 2010 | 178.0 | 73rd | 6th |
Question:
 how many countries sampled with year of publication being 2007 and ranking l.a. (2) being 7th
Answer:
1.0