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:
| Evaluation average (From February 2011) | Evaluation average (From April 2009) | Evaluation average (Before April 2009) | % of negative evaluations | Submitting schedule on time | Punctuality/Attendance issues | Peak lessons taught |
| --- | --- | --- | --- | --- | --- | --- |
| 4.7 | 4.6 | 4.6 | 0.3% | Always | None | 80.0 |
| 4.7 | 4.6 | 4.5 | 0.3% | Always | None | 80.0 |
| 4.5 | 4.4 | 4.4 | 0.4% | Always | None | 60.0 |
| 4.5 | 4.4 | 4.3 | 0.4% | Always | None | 60.0 |
| 4.3 | 4.2 | 4.2 | 0.8% | Always | None | 40.0 |
| 4.3 | 4.2 | 4.0 | 0.8% | Always | None | 40.0 |
| 4.3 | 4.2(*) | N/A | 0.8% | Always | None | 40.0 |
| 4.1 | 4.0 | N/A | 1.0% | Always | None | 0.0 |
Question:
What is the mean Evaluation number (Before April 2009) when the percentage of negative evaluations was 0.8% and the mean Evaluation number of April 2009 was 4.2?
Answer:
4.2, 4.0