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:
| Row Header          | Position                                                                                                                                                                            |   Age |   Air Group or Subsidiary Officer Since |
|:--------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------:|----------------------------------------:|
| Bradley D. Tilden   | Chairman and Chief Executive Officer of Alaska Air Group, Inc., Chairman of Alaska Airlines, Inc., Chairman of Horizon Air Industries, Inc.                                         |    58 |                                    1994 |
| Brandon S. Pedersen | Executive Vice President/Finance and Chief Financial Officer of Alaska Air Group, Inc. and Alaska Airlines, Inc., and Treasurer of Alaska Air Group, Inc. and Alaska Airlines, Inc. |    52 |                                    2003 |
| Kyle B. Levine      | Vice President Legal, General Counsel and Corporate Secretary of Alaska Air Group, Inc. and Alaska Airlines, Inc. and Chief Ethics and Compliance Officer of Alaska Air Group, Inc. |    47 |                                    2016 |
| Benito Minicucci    | President and Chief Operating Officer of Alaska Airlines, Inc.                                                                                                                      |    52 |                                    2004 |
| Gary L. Beck        | President and Chief Executive Officer of Horizon Air Industries, Inc.                                                                                                               |    71 |                                    2018 |
| Andrew R. Harrison  | Executive Vice President and Chief Commercial Officer of Alaska Airlines, Inc.                                                                                                      |    49 |                                    2008 |
| Shane R. Tackett    | Executive Vice President, Planning and Strategy of Alaska Airlines, Inc.                                                                                                            |    40 |                                    2011 |
| Andrea L. Schneider | Vice President People of Alaska Airlines, Inc.                                                                                                                                      |    53 |                                    1998 |
| Diana Birkett-Rakow | Vice President External Relations of Alaska Airlines, Inc.                                                                                                                          |    41 |                                    2017 |

Question:
What is the average age of the executives listed in the table?


id: e067a40ab6736ac5a004d9dc69f2d5c0
qtype: NumericalReasoning
label: 51.44