Table:
text: List of Orkney islands
Main list
Main list
Island Group_ Area_ha_ Population Height_m
Lamb Holm South Isles 00040 40 See below 20
Linga Holm North Isles 00057 57 0 18
Muckle Green Holm North Isles 00028 28 0 28
Muckle Skerry Pentland Skerries 00034 34 0 20
North Ronaldsay North Isles 00690 690 72 23
Orkney Mainland Mainland 52325 17162 271
Papa Stronsay North Isles 00074 74 0 13
Papa Westray North Isles 00918 918 90 48
Rousay North Isles 04860 4860 216 250
Rysa Little South Isles 00033 33 0 20
Sanday North Isles 05043 5043 494 65
Shapinsay North Isles 02948 2948 307 64
South Ronaldsay South Isles 04980 4980 909 118

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: What is the area (ha) of the group on the island of Linga Holm, which has a height (m) greater than 7 on the Orkney Islands list?