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 | Airline | Country | Destination number | Remarks |
| --- | --- | --- | --- | --- |
| 1.0 | Cubana de Aviación | Cuba | 35.0 | Operational since 1929 |
| 2.0 | LIAT | Antigua and Barbuda | 21.0 | Second Largest Airline in the Caribbean |
| 3.0 | Caribbean Airlines | Trinidad and Tobago | 19.0 | Largest Airline in the Caribbean |
| 4.0 | InselAir | Curacao | 16.0 | Operational since 2006 |
| 5.0 | Dutch Antilles Express | Curacao | 9.0 | More destination to come |
| 6.0 | Air Jamaica | Trinidad and Tobago | 7.0 | Parent Company is Caribbean Airlines |
| 7.0 | Tiara Air | Aruba | 6.0 | Aruba's national airline |
Question:
What were the remarks for a destination under 19 and rank less than 5?
Answer:
Operational since 2006