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:
| City | Country | IATA | ICAO | Airport |
| --- | --- | --- | --- | --- |
| Ceiba, Puerto Rico | Puerto Rico | RVR | TJRV | José Aponte de la Torre Airport |
| Culebra | Puerto Rico | CPX | TJCP | Benjamín Rivera Noriega Airport |
| Fajardo | Puerto Rico | FAJ | TJFA | Diego Jimenez Torres Airport |
| Isla Grande | Puerto Rico | SIG | TJIG | Fernando Luis Ribas Dominicci Airport |
| San Juan | Puerto Rico | SJU | TJSJ | Luis Muñoz Marín International Airport |
| St. Croix | United States Virgin Islands | STX | TISX | Henry E. Rohlsen Airport |
| St. Thomas, USVI | United States Virgin Islands | STT | TIST | Cyril E. King Airport |
| Vieques | Puerto Rico | VQS | TJVQ | Antonio Rivera Rodríguez Airport |
Question:
Tell me the icao of isla grande
Answer:
TJIG