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:
| Nat. | Name | Moving to | Type | Transfer window |
| --- | --- | --- | --- | --- |
| ITA | Ceccarelli | Milan | Co-ownership Termination | Summer |
| ITA | Andreolli | Roma | Co-ownership Termination | Summer |
| ITA | Cordaz | Treviso | Co-ownership Termination | Summer |
| CMR | Maa Boumsong | Treviso | Co-ownership Termination | Summer |
| NGA | Eliakwu | Triestina | Co-ownership Termination | Summer |
| HON | Suazo | Benfica | Loan | Summer |
| POR | Maniche | AtléticoMadrid | Loan End | Summer |
| ARG ESP | Solari | San Lorenzo | Contract expired | Summer |
| URU | Recoba | Panionios | Contract expired | Summer |
| BRA | César | Bologna | Released | Summer |
| HUN | Filkor | Sassuolo | Loan | Summer |
| URU | Ribas | Dijon | Transfer | Summer |
| POR | Pelé | Porto | Trade | Summer |
| FRA | Dacourt | Fulham | Loan | Winter |
| POR | Quaresma | Chelsea | Loan | Winter |
| ITA | Bonucci | Pisa | Loan | Winter |
| BEL MAR | Maaroufi | Vicenza | Co-ownership | Winter |
| ITA | Viviano | Brescia | Loan | Winter |
| BRA | Adriano | Flamengo | Released | Winter |
Question:
What is the transfer window of the player moving to Panionios?
Answer:
Summer