Task: Table-QA (source dataset: TableBench)

Task: 
You are given a table containing structured data and a natural language question referring to the table. Your goal is to analyze the table and provide an accurate and concise answer based on the given data.

Instructions:
1. Understand the Table: Examine the structure, headers, and data in the table. Identify relevant columns and rows related to the question.
2. Interpret the Question: Determine whether the question requires direct retrieval, aggregation, comparison, sorting, filtering, or inference.
3. Extract the Answer: Use logical reasoning and numerical operations (if necessary) to derive the correct response from the table.
4. Format the Answer: No explanation, return the answer in a structured JSON format: {"answer": <answer>}. If the question cannot be answered due to missing or ambiguous data, return a JSON response with {"answer": null}.

Table:
| name       | latitude   |   longitude |   diameter (km) | named after                                        |
|:-----------|:-----------|------------:|----------------:|:---------------------------------------------------|
| caccini    | 17.4       |       170.4 |            38.1 | francesca caccini , italian composer               |
| caitlin    | - 65.3     |        12   |            14.7 | irish first name                                   |
| caiwenji   | - 12.4     |       287.6 |            22.6 | cai wenji , chinese poet                           |
| caldwell   | 23.6       |       112.4 |            51   | taylor caldwell , american author                  |
| callas     | 2.4        |        27   |            33.8 | maria callas , american singer                     |
| callirhoe  | 21.2       |       140.7 |            33.8 | callirhoe , greek sculptor                         |
| caroline   | 6.9        |       306.3 |            18   | french first name                                  |
| carr       | - 24       |       295.7 |            31.9 | emily carr , canadian artist                       |
| carreno    | - 3.9      |        16.1 |            57   | teresa carreño , n venezuela pianist               |
| carson     | - 24.2     |       344.1 |            38.8 | rachel carson , american biologist                 |
| carter     | 5.3        |        67.3 |            17.5 | maybelle carter , american singer                  |
| castro     | 3.4        |       233.9 |            22.9 | rosalía de castro , galician poet                  |
| cather     | 47.1       |       107   |            24.6 | willa cather , american novelist                   |
| centlivre  | 19.1       |       290.4 |            28.8 | susanna centlivre , english actress                |
| chapelle   | 6.4        |       103.8 |            22   | georgette chapelle , american journalist           |
| chechek    | - 2.6      |       272.3 |             7.2 | tuvan first name                                   |
| chiyojo    | - 47.8     |        95.7 |            40.2 | chiyojo , japanese poet                            |
| chloe      | - 7.4      |        98.6 |            18.6 | greek first name                                   |
| cholpon    | 40         |       290   |             6.3 | kyrgyz first name                                  |
| christie   | 28.3       |        72.7 |            23.3 | agatha christie , english author                   |
| chubado    | 45.3       |         5.6 |             7   | fulbe first name                                   |
| clara      | - 37.5     |       235.3 |             3.2 | latin first name                                   |
| clementina | 35.9       |       208.6 |             4   | portuguese form of clementine , french first name  |
| cleopatra  | 65.8       |         7.1 |           105   | cleopatra , egyptian queen                         |
| cline      | - 21.8     |       317.1 |            38   | patsy cline , american singer                      |
| clio       | 6.3        |       333.5 |            11.4 | greek first name                                   |
| cochran    | 51.9       |       143.4 |           100   | jacqueline cochran , american aviator              |
| cohn       | - 33.3     |       208.1 |            18.3 | carola cohn , australian artist                    |
| colleen    | - 60.8     |       162.2 |            13.5 | irish first name                                   |
| comnena    | 1.2        |       343.7 |            19.5 | anna comnena , byzantine princess and writer       |
| conway     | 48.3       |        39   |            49.3 | lady anne finch conway , english natural scientist |
| cori       | 25.4       |        72.9 |            56.1 | gerty cori , czech biochemist                      |
| corinna    | 22.9       |        40.6 |            19.2 | corinna , greek poet                               |
| corpman    | 0.3        |       151.8 |            46   | elizabeth koopman hevelius , astronomer            |
| cortese    | - 11.4     |       218.4 |            27.7 | isabella cortese , italian physician               |
| cotton     | 70.8       |       300.2 |            48.1 | eugénie cotton , french physicist                  |
| cunitz     | 14.5       |       350.9 |            48.6 | maria cunitz , silesian astronomer                 |
| cynthia    | - 16.7     |       347.5 |            15.9 | greek first name                                   |

Question:
Which crater has the largest diameter?


id: 20f1697077ffa4073a621235d1da13c6
qtype: NumericalReasoning
label: cleopatra