Task: Data-Imputation (source dataset: WebTable)

Please fill in the missing value in the input table. The missing value is denoted by '[MISSING]'. Please only return the value filled in. Do not return the whole table.

No explanation, return the value filled in JSON format: {"value": "filled_value"}. 

Input Table:
| Numbers (Total ordered)       |   Photo |   Year | Builder              | Model name               | Engine                   | Transmission or propulsion system   | Notes                           |
|:------------------------------|--------:|-------:|:---------------------|:-------------------------|:-------------------------|:------------------------------------|:--------------------------------|
| 4815-4832 (18 buses)          |     nan |   2000 | Nova Bus             | LFS                      | Detroit Diesel Series 40 | Allison B500R                       | Leased                          |
| 4833-4861 (29 buses)          |     nan |   2001 | Nova Bus             | LFS                      | Detroit Diesel Series 40 | Allison B500R                       | Leased                          |
| 4862-4885 (24 buses)          |     nan |   2002 | Nova Bus             | LFS                      | Detroit Diesel Series 40 | Allison B500R                       | Leased                          |
| 4886-04 to 4930-04 (45 buses) |     nan |   2004 | Gillig               | Low Floor (G29D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 4931-06 to 4952-06 (22 buses) |     nan |   2006 | Gillig               | Low Floor (G29D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 4953 (1 bus)                  |     nan |   2005 | Nova Bus             | LFS                      | Cummins ISL              | ZF 5HP552C                          | Ex-Nova Bus demo, acquired 2007 |
| 4954-07 to 4962-07 (9 buses)  |     nan |   2007 | Gillig               | Low Floor (G29D102N4)    | [MISSING]                | Voith DIWA.5                        | nan                             |
| 4963-08 to 4983-08 (21 buses) |     nan |   2008 | Gillig               | Low Floor (G29D102N4)    | Cummins ISL              | Voith DIWA.5                        | nan                             |
| 4985-09 to 4999-09 (15 buses) |     nan |   2009 | Gillig               | Low Floor (G29D102N4)    | Cummins ISL              | Voith DIWA.5                        | nan                             |
| 5000-10 to 5009-10 (10 buses) |     nan |   2010 | Nova Bus             | LFS                      | Cummins ISL              | Allison B500R                       | nan                             |
| 5010-10 to 5022-10 (13 buses) |     nan |   2010 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 5023-11 to 5069-11 (47 buses) |     nan |   2011 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 5071-12 to 5121-12 (51 buses) |     nan |   2012 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 5122-13 to 5145-13 (24 buses) |     nan |   2013 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL              | Voith D864.5                        | nan                             |
| 5146-13 to 5151-13 (6 buses)  |     nan |   2013 | New Flyer Industries | XD60                     | Cummins ISL9             | Allison B500R                       | nan                             |
| 5152-13 to 5157-13 (6 buses)  |     nan |   2013 | Nova Bus             | Nova Bus LFS Articulated | Cummins ISL9             | Allison B500R                       | nan                             |
| 5158-15 to 5199-15 (42 buses) |     nan |   2015 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL9             | Allison B500R                       | nan                             |
| 5200-16 to 5206-16 (7 buses)  |     nan |   2016 | Gillig               | Low Floor (G27D102N4)    | Cummins ISL9             | Allison B500R                       | nan                             |



row_idx: 6
col_idx: 5
col_name: Engine
label: Cummins ISL