Table:
text: List of Orkney islands
Main list
Main list
Island Group_ Area_ha_ Population Height_m
South Walls South Isles 01100 1100 See Hoy 57
Start Point North Isles 00024 24 0 8
Stronsay North Isles 03275 3275 349 44
Switha South Isles 00041 41 0 29
Sweyn Holm North Isles 00017 17 0 15
Swona South Isles 00092 92 0 41
Westray North Isles 04713 4713 588 169
Wyre North Isles 00311 311 29 32

text: List of Orkney islands
Main list
Main list
Island Group_ Area_ha_ Population Height_m
Flotta South Isles 00876 876 80 58
Gairsay North Isles 00240 240 3 102
Glims Holm South Isles 00055 55 0 32
Graemsay South Isles 00409 409 28 62
Helliar Holm North Isles 00035 35 0 28
Holm of Faray North Isles 00027 27 0 19
Holm of Grimbister North Isles 00016 16 3 8
Holm of Huip North Isles 00024 24 0 18
Holm of Papa North Isles 00021 21 0 15
Holm of Scockness North Isles 00022 22 0 18
Hoy South Isles 13468 419 479
Hunda South Isles 00100 100 0 41
Inner Holm South Isles 00002 2 1 7

Question: From Orkney Islands list, what is the population of the group that has a height (m) of 15 and an area (ha) of 00017 17 ?