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:
| Elector | Order | Title | Elevated | Elevator |
| --- | --- | --- | --- | --- |
| Francesco Moricotti Prignani | Cardinal-bishop | Bishop of Palestrina | 1378, September 18 | Urban VI |
| Andrea Bontempi Martini | Cardinal-priest | Titulus Ss. Marcellino e Pietro | 1378, September 18 | Urban VI |
| Poncello Orsini | Cardinal-priest | Titulus S. Clemente | 1378, September 18 | Urban VI |
| Pietro Tomacelli | Cardinal-priest | Titulus S. Anastasia | 1381, December 21 | Urban VI |
| Angelo Acciaioli | Cardinal-priest | Titulus S. Lorenzo in Damaso. | 1384, December 17 | Urban VI |
| Francesco Carbone Tomacelli , O.Cist. | Cardinal-priest | Titulus S. Susanna | 1384, December 17 | Urban VI |
| Stefano Palosio | Cardinal-priest | Titulus S. Marcello. | 1384, December 17 | Urban VI |
| Tommaso Orsini dei Conti di Manupello | Cardinal-deacon | Deacon of S. Maria in Domnica | Circa 1383—1379 | Urban VI |
| Francesco Renzio | Cardinal-deacon | Deacon of S. Eustachio | 1381, December 21 | Urban VI |
| Marino Bulcani | Cardinal-deacon | Deacon of S. Maria Nuova. | 1384, December 17 | Urban VI |
| Rinaldo Brancaccio | Cardinal-deacon | Deacon of Ss. Vito e Modesto | 1384, December 17 | Urban VI |
| Ludovico Fieschi | Cardinal-deacon | Deacon of S. Adriano | 1384, December 17 | Urban VI |
| Angelo d'Anna de Sommariva , O.Camald. | Cardinal-deacon | Deacon of S. Lucia in Septisolio | 1384, December 17 | Urban VI |
Question:
What's the Elevator that has Elevated: 1378, September 18, an Order of Cardinal-Priest, and an Elector of Poncello Orsini?
Answer:
Urban VI