Task: Data-Imputation (source dataset: tablib)

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:
| Symbol   | Parameter                  | TestConditions   | Unnamed: 3          | Min.    | Typ.     | Max.    | Unit     |
|:---------|:---------------------------|:-----------------|:--------------------|:--------|:---------|:--------|:---------|
| None     | None                       | VDD              | Conditions          | None    | None     | None    | None     |
| fSYS1    | SystemClock                | (cid:1)          | On-chipRCoscillator | (cid:1) | 256      | (cid:1) | kHz      |
| fSYS2    | SystemClock                | (cid:1)          | Crystaloscillator   | (cid:1) | 32.768   | (cid:1) | kHz      |
| fSYS3    | SystemClock                | (cid:1)          | [MISSING]           | (cid:1) | 256      | (cid:1) | kHz      |
| fLCD     | LCDClock                   | (cid:1)          | On-chipRCoscillator | (cid:1) | f /1024  | (cid:1) | Hz       |
|          |                            |                  |                     |         | SYS1     |         |          |
| None     | None                       | (cid:1)          | Crystaloscillator   | (cid:1) | f /128   | (cid:1) | Hz       |
|          |                            |                  |                     |         | SYS2     |         |          |
| None     | None                       | (cid:1)          | Externalclocksource | (cid:1) | f /1024  | (cid:1) | Hz       |
|          |                            |                  |                     |         | SYS3     |         |          |
| tCOM     | LCDCommonPeriod            | (cid:1)          | n:NumberofCOM       | (cid:1) | n/f      | (cid:1) | s        |
|          |                            |                  |                     |         | LCD      |         |          |
| fCLK1    | SerialDataClock(WRpin)     | 3V               | Dutycycle50%        | (cid:1) | (cid:1)  | 150     | kHz      |
| None     | None                       | 5V               | None                | (cid:1) | (cid:1)  | 300     | kHz      |
| fCLK2    | SerialDataClock(RDpin)     | 3V               | Dutycycle50%        | (cid:1) | (cid:1)  | 75      | kHz      |
| None     | None                       | 5V               | None                | (cid:1) | (cid:1)  | 150     | kHz      |
| fTONE    | ToneFrequency              | (cid:1)          | On-chipRCoscillator | (cid:1) | 2.0or4.0 | (cid:1) | kHz      |
| tCS      | SerialInterfaceResetPulse  | (cid:1)          | CS                  | (cid:1) | 250      | (cid:1) | ns       |
|          | Width(Figure3)             |                  |                     |         |          |         |          |
| tCLK     | WR,RDInputPulseWidth       | 3V               | Writemode           | 3.34    | (cid:1)  | (cid:1) | (cid:5)s |
|          | (Figure1)                  |                  |                     |         |          |         |          |
| None     | None                       | None             | Readmode            | 6.67    | (cid:1)  | (cid:1) | None     |
| None     | None                       | 5V               | Writemode           | 1.67    | (cid:1)  | (cid:1) | (cid:5)s |
| None     | None                       | None             | Readmode            | 3.34    | (cid:1)  | (cid:1) | None     |
| tr,tf    | Rise/Fall Time Serial Data | (cid:1)          | (cid:1)             | (cid:1) | 120      | (cid:1) | ns       |
|          | ClockWidth(Figure1)        |                  |                     |         |          |         |          |
| tsu      | Setup Time for DATA to WR, | (cid:1)          | (cid:1)             | (cid:1) | 120      | (cid:1) | ns       |
|          | RDClockWidth(Figure2)      |                  |                     |         |          |         |          |
| th       | HoldTimeforDATAtoWR,RD     | (cid:1)          | (cid:1)             | (cid:1) | 120      | (cid:1) | ns       |
|          | ClockWidth(Figure2)        |                  |                     |         |          |         |          |
| tsu1     | SetupTimeforCStoWR,RD      | (cid:1)          | (cid:1)             | (cid:1) | 100      | (cid:1) | ns       |
|          | ClockWidth(Figure3)        |                  |                     |         |          |         |          |
| th1      | Hold Time for CS to WR, RD | (cid:1)          | (cid:1)             | (cid:1) | 100      | (cid:1) | ns       |
|          | ClockWidth(Figure3)        |                  |                     |         |          |         |          |



row_idx: 3
col_idx: 3
label: Externalclocksource
output: value: Externalclocksource
tablib_key: tables/job=github_000005/batch=003598/l0Bx884Mqv3P2ff-4jadlDEjULgdjlWKnXeX0OOyhns=