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:
| Ship name | Year built | Length | Crew | Guests | Staterooms | Comments |
| --- | --- | --- | --- | --- | --- | --- |
| Viking Emerald | 2011.0 | 361 feet | 138.0 | 246.0 | 132.0 | Yangtze River, China |
| Viking Mandalay | 2002.0 | 180 feet | 28.0 | 60.0 | 30.0 | Irrawaddy River, Myanmar (Burma) |
| Viking Mekong | 2012.0 | 168 feet | 25.0 | 60.0 | 30.0 | Mekong River, Vietnam & Cambodia |
| Viking Sagaing | 2011.0 | 168 feet | 25.0 | 60.0 | 30.0 | Irrawaddy River, Myanmar (Burma) |
| RV Indochina | 2008.0 | 180 feet | 28.0 | 60.0 | 30.0 | Mekong River, Vietnam & Cambodia |
Question:
What is the total for guests with a ship name of rv indochina, and a crew smaller than 28?
Answer:
0.0