Task: Formula-prediction-context (source dataset: enron-random)

You are given an table region extracted from a real Excel spreadsheet, which is centered around a cell called "Target Cell" (labeled as "[Target Cell]" shown in the table below). The table region below includes up to 10 rows above/below the Target Cell, and 10 columns to the left/right of the Target Cell. 

Your task is to analyze the table context surrounding the Target Cell, and predict the most likely Excel formula that should go in the Target Cell. If multiple formulas are possible, choose the most reasonable or commonly used based on context.

1. Please follow the standard formula syntax in Excel, e.g. always begins with an equal sign (=).
2. Base your predicted formula on the surrounding table context, e.g., column headers, annotations, and data values in nearby cells.
3. No explanation — just output the formula itself in a JSON format: {"formula": "your_formula_here"}.

Input Excel Snippet in Markdown format:
|    | F    | G   | H    | I                                                                                                | J   | K   | L                         | M      | N   | O                                                                                                          | P             | Q                   | R    | S        | T                      | U   | V   | W   | X   | Y   | Z   |
|---:|:-----|:----|:-----|:-------------------------------------------------------------------------------------------------|:----|:----|:--------------------------|:-------|:----|:-----------------------------------------------------------------------------------------------------------|:--------------|:--------------------|:-----|:---------|:-----------------------|:----|:----|:----|:----|:----|:----|
| 10 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 11 |      |     |      |                                                                                                  |     |     | -E-                       |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 12 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 13 | 1-24 | PST | 25.0 | CALPINE(G)SOUTHPOINT-WALC(T)TOPAC/DAVIS#11050F-WALC(T)DAVIS/MEAD2#11050NF-REDIRECT-CALPINE-BURBT | X   | AEP | -E-                       | VALLEY | X   | VALLEY SINK IN NEVP CA                                                                                     | 25.0          | 2/1/2002-2/28/2002  | 31.0 | 258073.2 | 40618-40619            |     | P   |     |     |     |     |
| 14 | 1-24 | PST | 10.0 | BURB(G)SYS-BURB-TOLUCA/MRKTPL#GF-BURB(T)MRKTPL/MEAD5#GF-BURB(T)MEAD5/MEAD2#GF-LDWP(CA)BURBT      | X   | AEP | -E-                       | VALLEY | X   | VALLEY SINK IN NEVP CA                                                                                     | 10.0          | 2/1/2002-2/28/2002  | 31.0 | 258073.2 | 40614-40615            |     | P   |     |     |     |     |
| 15 |      |     |      |                                                                                                  |     |     | -E-                       |        |     | NEVP SCHEDULES FOR VALLEY                                                                                  |               |                     |      |          |                        |     |     |     |     |     |     |
| 16 |      |     | 35.0 |                                                                                                  |     |     |                           | 0.0    |     | EPMI AS PSE BUYING NEVP WHEEL FROM MEAD TO THE VALLEY(VEA) ON LOAD LINE IT'LL SHOW EPMI SINKING AT NEVP CA | 35.0          |                     |      |          |                        |     |     |     |     |     |     |
| 17 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 18 | 1-24 | PST | 25.0 | EPE(G)FC3                                                                                        |     | EPE | -E-APS(T)FC3/PPD2#27997-E | TO PP  |     |                                                                                                            | 25.0          |                     |      |          | 40323-40325            |     | P   |     |     |     |     |
| 19 |      |     |      |                                                                                                  |     |     | -E-                       |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 20 |      |     | 25.0 |                                                                                                  |     |     |                           |        |     |                                                                                                            | [Target Cell] |                     |      |          |                        |     |     |     |     |     |     |
| 21 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 22 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 23 | 1-24 | PST | 25.0 | EPE(G)FC3                                                                                        | X   | EPE | -E-APS(T)FC3/PPD2#28458-E | WALC   | X   | WALC(T)PPD2/COOLIDGE#GF-WALC                                                                               | 25.0          | 10/29/2001-4/6/2002 | 45.0 | 705583.1 | 40565-40568-40569      |     |     |     |     |     |     |
| 24 |      |     |      |                                                                                                  |     |     | -E-                       |        |     |                                                                                                            |               |                     |      |          | TAGGED THROUGH THE 4TH |     |     |     |     |     |     |
| 25 |      |     | 0.0  |                                                                                                  |     |     |                           | 0.0    |     |                                                                                                            | 0.0           |                     |      |          |                        |     |     |     |     |     |     |
| 26 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 27 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 28 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 29 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |
| 30 |      |     |      |                                                                                                  |     |     |                           |        |     |                                                                                                            |               |                     |      |          |                        |     |     |     |     |     |     |



min_row: 10
max_row: 30
min_col: 6
max_col: 26
target_cell_row_idx: 20
target_cell_col_idx: 16
target_cell_value: 25.0
formula: =SUM(P17:P18)