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:
| Team | Driver | Class | Chassis | Engine | Rounds |
| --- | --- | --- | --- | --- | --- |
| Hitech Racing | Max Chilton | C | Dallara F308 | Mercedes HWA | All |
| Hitech Racing | Walter Grubmüller | C | Dallara F308 | Mercedes HWA | All |
| Carlin Motorsport | Brendon Hartley | C | Dallara F308 | Mercedes HWA | All |
| Carlin Motorsport | Jaime Alguersuari | C | Dallara F308 | Mercedes HWA | All |
| Carlin Motorsport | Oliver Turvey | C | Dallara F308 | Mercedes HWA | All |
| Carlin Motorsport | Sam Abay | C | Dallara F308 | Mercedes HWA | All |
| Carlin Motorsport | Henry Surtees | N | Dallara F305 | Mugen - Honda | 21–22 |
| Carlin Motorsport | Adriano Buzaid | N | Dallara F305 | Mugen - Honda | 21–22 |
| Carlin Motorsport | Kristján Einar | N | Dallara F305 | Mugen - Honda | 1–20 |
| Carlin Motorsport | Andrew Meyrick | N | Dallara F305 | Mugen - Honda | 1–12 |
| Carlin Motorsport | Martin O'Connell | N | Dallara F305 | Mugen - Honda | 13–14 |
| Nexa Racing | Viktor Jensen | C | Dallara F308 | Mugen - Honda | 3–14 |
| Nexa Racing | Craig Reiff | N | Dallara F306 | Mugen - Honda | 1–8, 15–18 |
| Räikkönen Robertson Racing | Henry Arundel | C | Dallara F308 | Mercedes HWA | All |
| Räikkönen Robertson Racing | John Martin | C | Dallara F308 | Mercedes HWA | All |
| Räikkönen Robertson Racing | Alistair Jackson | C | Dallara F308 | Mercedes HWA | 1–4 |
| Räikkönen Robertson Racing | Clemente de Faria, Jr. | C | Dallara F308 | Mercedes HWA | 17–18 |
| Räikkönen Robertson Racing | Atte Mustonen | C | Dallara F308 | Mercedes HWA | All |
| Fortec Motorsport | Sebastian Hohenthal | C | Dallara F308 | Mercedes HWA | 1–16 |
| Fortec Motorsport | Dean Smith | C | Dallara F308 | Mercedes HWA | 21–22 |
| Fortec Motorsport | Marcus Ericsson | C | Dallara F308 | Mercedes HWA | All |
| Fortec Motorsport | Philip Major | C | Dallara F308 | Mercedes HWA | All |
| T-Sport | Sergio Pérez | C | Dallara F308 | Mugen - Honda | All |
| T-Sport | Steven Guerrero | N | Dallara F306 | Mugen - Honda | All |
| T-Sport | Salman Al Khalifa | N | Dallara F306 | Mugen - Honda | 1–20 |
| T-Sport | Callum MacLeod | N | Dallara F306 | Mugen - Honda | 21–22 |
| Ultimate Motorsport | Esteban Guerrieri | C | Mygale M-08F3 | Mercedes | 1–6, 19–20 |
| Ultimate Motorsport | Alistair Jackson | C | Mygale M-08F3 | Mercedes | 7–18 |
| Ultimate Motorsport | Ricardo Teixeira | C | Mygale M-08F3 | Mercedes | 1–20 |
| Ultimate Motorsport | Michael Devaney | C | Mygale M-08F3 | Mercedes | 1–8 |
| Ultimate Motorsport | Michael Devaney | C | Mygale M-08F3 | Mercedes | 9–20 |
| Eurotek Motorsport | Oliver Oakes | C | Dallara F308 | Mercedes HWA | 3–4, 15–16 |
| Eurotek Motorsport | Oliver Oakes | I | Dallara F308 | Mercedes HWA | 17–22 |
| JTR with Marshall Westland | Nick Tandy | C | Mygale M-08F3 | Mercedes HWA | 1–18, 21–22 |
| Fluid Motorsport | Jay Bridger | N | Dallara F307 | Mugen - Honda | All |
| Fluid Motorsport | Stefan Wilson | N | Dallara F307 | Mugen - Honda | All |
| C F Racing | Hywel Lloyd | N | Dallara F306 | Mugen - Honda | All |
| Team Loctite | Niall Quinn | N | Dallara F306 | Mugen - Honda | 1–4, 7–8 |
| Team Loctite | Jordan Williams | N | Dallara F306 | Mugen - Honda | 9–14 |
| Litespeed F3 | Callum MacLeod | N | SLC R1 | Mugen - Honda | 9–10 |
| Litespeed F3 | Jonathan Legris | N | SLC R1 | Mugen - Honda | 13–14, 17–18, 21–22 |
| Ombra Racing | Matteo Chinosi | I | Dallara F308 | Mugen - Honda | 5–6 |
| Ombra Racing | Federico Leo | I | Dallara F308 | Mugen - Honda | 5–6 |
| HBR Motorsport | Daniel Campos-Hull | I | Dallara F308 | Mercedes HWA | 15–16 |
| HBR Motorsport | Basil Shaaban | I | Dallara F308 | Mercedes HWA | 15–16 |
| Cesario Formula | Clemente de Faria, Jr. | I | Dallara F308 | Mugen - Honda | 21–22 |
Question:
what is the class when the chassis is dallara f308, rounds is all and the driver is sam abay?
Answer:
C