user
Instruction
Answer the question based on the provided table.


Table
Table Title: wastewater pilot-test design
Table Content:
<table border="1" cellspacing="0">
<tr> <td> test site </td> <td> wastewater treatment plants </td> <td> 2018 population </td> </tr>
<tr> <td> central halifax </td> <td> 3 </td> <td> 0.2 </td> </tr>
<tr> <td> montreal island </td> <td> 1 </td> <td> 2.0 </td> </tr>
<tr> <td> toronto city </td> <td> 4 </td> <td> 2.8 </td> </tr>
<tr> <td> edmonton city </td> <td> 1 </td> <td> 1.0 </td> </tr>
<tr> <td> vancouver metro area </td> <td> 5 </td> <td> 2.5 </td> </tr>
<tr> <td> total </td> <td> 14 </td> <td> 8.4 </td> </tr>
</table>


Question
what were the numbers of wastewater treatment plants and the population in 2018(millions) respectively?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["14.0", "8.4"]