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:
| Name | Latitude | Longitude | Diameter (km) | Year named |
| --- | --- | --- | --- | --- |
| Abe Mango Dorsa | 47.0N | 212.0E | 800.0 | 1997.0 |
| Achek Dorsa | 37.2S | 230.0E | 1000.0 | 1997.0 |
| Aditi Dorsa | 30.0S | 189.0E | 1200.0 | 1997.0 |
| Ahsonnutli Dorsa | 47.9N | 196.5E | 1708.0 | 1985.0 |
| Aida-Wedo Dorsa | 73.0N | 214.0E | 450.0 | 1997.0 |
| Akewa Dorsa | 45.5N | 184.0E | 900.0 | 1997.0 |
| Akuanda Dorsa | 63.5N | 232.0E | 800.0 | 1997.0 |
| Alkonost Dorsa | 5.0S | 341.0E | 730.0 | 1997.0 |
| Allat Dorsa | 60.0N | 70.0E | 750.0 | 1985.0 |
| Amitolane Dorsa | 77.0S | 335.0E | 900.0 | 1997.0 |
| Anpao Dorsa | 62.0N | 207.0E | 550.0 | 1997.0 |
| Arev Dorsa | 52.0S | 216.0E | 420.0 | 2000.0 |
| Asiaq Dorsa | 53.0S | 55.0E | 400.0 | 1997.0 |
| Auska Dorsum | 59.9N | 357.8E | 361.0 | 1985.0 |
| Aušra- Dorsa | 49.4N | 25.3E | 859.0 | 1985.0 |
| Barbale Dorsa | 15.0N | 143.0E | 1200.0 | 1997.0 |
| Ben Dorsa | 71.2N | 284.1E | 628.0 | 1985.0 |
| Bezlea Dorsa | 30.4N | 36.5E | 807.0 | 1985.0 |
| Biliku Dorsa | 47.0S | 138.0E | 600.0 | 1997.0 |
| Boszorkany Dorsa | 19.5S | 105.0E | 550.0 | 2003.0 |
| Breksta Dorsa | 35.9N | 304.0E | 700.0 | 1985.0 |
| Charykh-Keyok Dorsa | 54.5N | 285.0E | 550.0 | 1997.0 |
| Chih Nu Dorsum | 73.0S | 195.0E | 625.0 | 1994.0 |
| Dennitsa Dorsa | 85.6N | 205.9E | 872.0 | 1985.0 |
| Dodola Dorsa | 46.8N | 272.6E | 607.0 | 1985.0 |
| Dudumitsa Dorsa | 13.5S | 358.0E | 980.0 | 2000.0 |
| Dyan-Mu Dorsa | 78.2N | 31.9E | 687.0 | 1985.0 |
| Dylacha Dorsa | 19.0S | 76.0E | 650.0 | 1997.0 |
| Etain Dorsa | 45.0S | 199.0E | 1400.0 | 1997.0 |
| Frigg Dorsa | 51.2N | 150.6E | 896.0 | 1985.0 |
| Fulgora Dorsa | 78.5 N | 342.0 E | 463.0 | 2009.0 |
| Hemera Dorsa | 51.0N | 243.4E | 587.0 | 1985.0 |
| Hera Dorsa | 36.4N | 29.5E | 813.0 | 1985.0 |
| Iris Dorsa | 52.7N | 221.3E | 2050.0 | 1985.0 |
| Iyele Dorsa | 50.0N | 278.7E | 595.0 | 1985.0 |
| Juno Dorsum | 31.0S | 95.6E | 1652.0 | 1982.0 |
| Kadlu Dorsa | 69.5S | 188.0E | 500.0 | 1997.0 |
| Kalm Dorsa | 18.0N | 309.0E | 300.0 | 1997.0 |
| Kamari Dorsa | 59.2N | 55.8E | 589.0 | 1985.0 |
| Kastiatsi Dorsa | 53.0S | 245.0E | 1200.0 | 1997.0 |
| Khadne Dorsa | 14.0S | 334.5E | 220.0 | 1997.0 |
| Kotsmanyako Dorsa | 76.0S | 242.0E | 1900.0 | 1997.0 |
| Kuldurok Dorsa | 50.4S | 61.0E | 1100.0 | 1997.0 |
| Lau-ma Dorsa | 64.8N | 190.4E | 1517.0 | 1985.0 |
| Laverna Dorsa | 50.0S | 132.0E | 1100.0 | 1997.0 |
| Lemkechen Dorsa | 18.5N | 68.5E | 2000.0 | 1997.0 |
| Lukelong Dorsa | 73.3N | 178.8E | 1566.0 | 1985.0 |
| Lumo Dorsa | 24.5N | 149.0E | 500.0 | 1997.0 |
| Mardezh-Ava Dorsa | 32.4N | 68.6E | 906.0 | 1985.0 |
| Menkerot Dorsa | 20.0S | 351.5E | 770.0 | 2000.0 |
| Metelitsa Dorsa | 16.0N | 31.0E | 1300.0 | 1997.0 |
| Naatse-elit Dorsa | 66.0S | 249.0E | 950.0 | 1997.0 |
| Nambi Dorsum | 72.5S | 213.0E | 1125.0 | 1994.0 |
| Naran Dorsa | 54.0S | 238.0E | 600.0 | 1997.0 |
| Natami Dorsa | 71.5S | 258.0E | 800.0 | 1997.0 |
| Nephele Dorsa | 39.7N | 138.8E | 1937.0 | 1985.0 |
| Nichka Dorsa | 10.0S | 354.0E | 550.0 | 2000.0 |
| Norwan Dorsa | 65.0N | 163.0E | 450.0 | 1997.0 |
| Nuvakchin Dorsa | 53.0S | 212.0E | 2200.0 | 1997.0 |
| Odzerchen Dorsa | 72.0S | 152.0E | 300.0 | 2000.0 |
| Ojuz Dorsa | 6.0N | 37.0E | 400.0 | 1997.0 |
| Okipeta Dorsa | 67.5N | 240.0E | 1200.0 | 1985.0 |
| Oshumare Dorsa | 58.5S | 79.0E | 550.0 | 1997.0 |
| Oya Dorsa | 21.5N | 157.5E | 480.0 | 2003.0 |
| Pandrosos Dorsa | 58.2N | 207.7E | 1254.0 | 1985.0 |
| Poludnitsa Dorsa | 5.0N | 179.5E | 1500.0 | 1997.0 |
| Pulugu Dorsa | 65.0S | 225.0E | 650.0 | 1997.0 |
| Ragana Dorsa | 69.0S | 246.0E | 950.0 | 1997.0 |
| Rokapi Dorsa | 55.0S | 222.0E | 2200.0 | 1997.0 |
| Salme Dorsa | 58.0N | 25.2E | 447.0 | 1991.0 |
| Saule Dorsa | 58.0S | 206.0E | 1375.0 | 1994.0 |
| Sel-Anya Dorsa | 79.4N | 81.3E | 975.0 | 1985.0 |
| Semuni Dorsa | 75.9N | 8.0E | 514.0 | 1985.0 |
| Shishimora Dorsa | 37.0N | 297.0E | 800.0 | 1997.0 |
| Sige Dorsa | 31.2N | 106.9E | 478.0 | 1991.0 |
| Siksaup Dorsa | 73.0S | 228.0E | 650.0 | 1997.0 |
| Sinanevt Dorsa | 66.5N | 171.0E | 1800.0 | 1997.0 |
| Sirona Dorsa | 43.5S | 193.5E | 700.0 | 1997.0 |
| Sogbo Dorsa | 40.0S | 237.0E | 900.0 | 1997.0 |
| Spidola Dorsa | 73.5S | 325.0E | 950.0 | 1997.0 |
| Sunna Dorsa | 53.0S | 134.0E | 500.0 | 1997.0 |
| Surupa Dorsa | 71.7N | 209.0E | 981.0 | 1997.0 |
| Tezan Dorsa | 81.4N | 47.1E | 1079.0 | 1985.0 |
| Tikoiwuti Dorsa | 56.0N | 225.0E | 1000.0 | 1997.0 |
| Tinianavyt Dorsa | 51.0S | 239.0E | 1500.0 | 1997.0 |
| Tomem Dorsa | 31.2N | 7.2E | 970.0 | 1985.0 |
| Tsovinar Dorsa | 46.0S | 254.0E | 1100.0 | 1997.0 |
| Tukwunag Dorsa | 69.0S | 155.0E | 1000.0 | 1997.0 |
| Unelanuhi Dorsa | 12.0N | 87.0E | 2600.0 | 1997.0 |
| Uni Dorsa | 33.7N | 114.3E | 800.0 | 1985.0 |
| Unuk Dorsa | 4.5S | 351.5E | 400.0 | 1997.0 |
| Urkuk Dorsa | 12.0S | 320.0E | 600.0 | 1997.0 |
| Vaiva Dorsum | 53.2S | 204.0E | 520.0 | 1994.0 |
| Varma-Ava Dorsa | 62.3N | 268.8E | 767.0 | 1985.0 |
| Vedma Dorsa | 42.0N | 159.0E | 3345.0 | 1985.0 |
| Vejas-mate Dorsa | 70.5S | 245.0E | 1600.0 | 1997.0 |
| Vetsorgo Dorsum | 6.5S | 163.0E | 700.0 | 2000.0 |
| Wala Dorsa | 17.0S | 62.0E | 500.0 | 1997.0 |
| Yalyane Dorsa | 7.0N | 177.0E | 1200.0 | 1997.0 |
| Yumyn-Udyr Dorsa | 81.4N | 164.7E | 1086.0 | 1985.0 |
| Zaryanitsa Dorsa | 0.0N | 170.0E | 1100.0 | 1997.0 |
| Zimcerla Dorsa | 47.5S | 73.5E | 850.0 | 1997.0 |
| Zorile Dorsa | 39.9N | 338.4E | 1041.0 | 1985.0 |
Question:
What is the diameter for 1997 when longitude is 212.0e and latitude is 47.0n?
Answer:
800.0