user
Instruction
Answer the question based on the provided table.


Table
Table Title: largest scottish islands by population
Table Content:
<table border="1" cellspacing="0">
<tr> <td rowspan="2"> rank </td> <td rowspan="2"> island </td> <td rowspan="2"> local authority </td> <td colspan="8"> population </td> </tr>
<tr> <td> c. 1801 </td> <td> 1841 </td> <td> 1891 </td> <td> 1931 </td> <td> 1961 </td> <td> 1981 </td> <td> 2001 </td> <td> 2011 </td> </tr>
<tr> <td> 1 </td> <td> lewis and harris </td> <td> na h-eileanan siar </td> <td> 12,164 </td> <td> 20,046 </td> <td> 30,726 </td> <td> 28,042 </td> <td> 24,107 </td> <td> 22,476 </td> <td> 19,918 </td> <td> 21,031 </td> </tr>
<tr> <td> 2 </td> <td>  </td> <td> shetland </td> <td> none </td> <td> 20,572 </td> <td> 19,741 </td> <td> 15,172 </td> <td> 13,282 </td> <td> 17,722 </td> <td> 17,550 </td> <td> 18,765 </td> </tr>
<tr> <td> 3 </td> <td> mainland, orkney </td> <td> orkney </td> <td> none </td> <td> 16,022 </td> <td> 16,498 </td> <td> 13,352 </td> <td> 13,495 </td> <td> 14,000 </td> <td> 15,315 </td> <td> 17,162 </td> </tr>
<tr> <td> 4 </td> <td> skye </td> <td> highland </td> <td> 14,470 </td> <td> 23,082 </td> <td> 15,705 </td> <td> 9,908 </td> <td> 7,479 </td> <td> 7,276 </td> <td> 9,232 </td> <td> 10,008 </td> </tr>
<tr> <td> 5 </td> <td> bute </td> <td> argyll and bute </td> <td> 4,759 </td> <td> 7,147 </td> <td> 11,735 </td> <td> 12,112 </td> <td> 9,793 </td> <td> 7,306 </td> <td> 7,228 </td> <td> 6,498 </td> </tr>
<tr> <td> 6 </td> <td> arran </td> <td> north ayrshire </td> <td> 5,804 </td> <td> 6,241 </td> <td> 4,730 </td> <td> 4,506 </td> <td> 3,700 </td> <td> 3,845 </td> <td> 5,045 </td> <td> 4,629 </td> </tr>
<tr> <td> 7 </td> <td> islay </td> <td> argyll and bute </td> <td> 9,500 </td> <td> 15,772 </td> <td> 7,375 </td> <td> 4,970 </td> <td> 3,860 </td> <td> 3,792 </td> <td> 3,457 </td> <td> 3,228 </td> </tr>
<tr> <td> 8 </td> <td> mull </td> <td> argyll and bute </td> <td> 8,016 </td> <td> 8,316 </td> <td> 4,691 </td> <td> 2,903 </td> <td> 2,154 </td> <td> 2,197 </td> <td> 2,667 </td> <td> 2,800 </td> </tr>
<tr> <td> 9 </td> <td> south uist </td> <td> na h-eileanan siar </td> <td> none </td> <td> 5,093 </td> <td> 3,708 </td> <td> 2,810 </td> <td> 2,376 </td> <td> 2,231 </td> <td> 1,818 </td> <td> 1,754 </td> </tr>
<tr> <td> 10 </td> <td> great cumbrae </td> <td> north ayrshire </td> <td> 509 </td> <td> 1,413 </td> <td> 1,784 </td> <td> 2,144 </td> <td> 1,638 </td> <td> 1,300 </td> <td> 1,434 </td> <td> 1,376 </td> </tr>
<tr> <td> none </td> <td> total </td> <td> none </td> <td> none </td> <td> 123,704 </td> <td> 116,693 </td> <td> 95,919 </td> <td> 81,884 </td> <td> 82,145 </td> <td> 83,664 </td> <td> 87,251 </td> </tr>
<tr> <td> none </td> <td> change </td> <td> none </td> <td> none </td> <td> none </td> <td> 5.7% </td> <td> 7.8% </td> <td> 14.6% </td> <td> +0.3% </td> <td> +1.8% </td> <td> +4.3% </td> </tr>
</table>


Question
list the rank of mainland island.


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["2.0"]