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:
| Rank | Water park | Location | 2011 | 2012 |
| --- | --- | --- | --- | --- |
| 1.0 | Typhoon Lagoon at Walt Disney World Resort | Lake Buena Vista, Florida , USA | 2058000.0 | 2100000.0 |
| 2.0 | Chime-Long Water Park | Guangzhou , China | 1900000.0 | 2021000.0 |
| 3.0 | Blizzard Beach at Walt Disney World Resort | Lake Buena Vista, Florida , USA | 1891000.0 | 1929000.0 |
| 4.0 | Ocean World | Gangwon-do , South Korea | 1726000.0 | 1720000.0 |
| 5.0 | Aquatica | Orlando, Florida , USA | 1500000.0 | 1538000.0 |
| 6.0 | Caribbean Bay at Everland Resort | Gyeonggi-do , South Korea | 1497000.0 | 1508000.0 |
| 7.0 | Aquaventure | Dubai , United Arab Emirates | 1200000.0 | 1300000.0 |
| 8.0 | Wet 'n Wild Orlando | Orlando, Florida , USA | 1223000.0 | 1247000.0 |
| 9.0 | Wet'n'Wild Water World | Gold Coast, Queensland , Australia | 1200000.0 | 1200000.0 |
| 10.0 | Sunway Lagoon | Kuala Lumpur , Malaysia | 1040000.0 | 1200000.0 |
| 11.0 | Resom Spa Castle | Chungcheongnam-do , South Korea | 1034000.0 | 1158000.0 |
| 12.0 | Schlitterbahn | New Braunfels, Texas , USA | 982000.0 | 1017000.0 |
| 13.0 | Atlantis Water Adventure | Jakarta , Indonesia | 950000.0 | 1000000.0 |
| 14.0 | Summerland | Tokyo , Japan | 850000.0 | 990000.0 |
| 15.0 | Happy Magic Water Cube | Beijing , China | 768000.0 | 968000.0 |
| 16.0 | The Jungle Water Adventure | Bogor , Indonesia | 871000.0 | 951000.0 |
| 17.0 | Wild Wadi Water Park | Dubai , United Arab Emirates | 890000.0 | 860000.0 |
| 18.0 | Siam Water Park | Tenerife , Spain | 800000.0 | 800000.0 |
| 19.0 | Ocean Park Water Adventure | Jakarta , Indonesia | 600000.0 | 750000.0 |
| 20.0 | Water Country USA | Williamsburg, Virginia , USA | 723000.0 | 748000.0 |
Question:
what is 2011 when the rank is less than 8 and the water park is ocean world?
Answer:
1726000.0