Task: Table-QA (source dataset: FinQA)

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:
| Unnamed: 0             | ( a )                                        | ( b )                        | ( c )                                                                                  | ( d )                                                                          |
|:-----------------------|:---------------------------------------------|:-----------------------------|:---------------------------------------------------------------------------------------|:-------------------------------------------------------------------------------|
| period                 | total number of shares purchased ( 1 ) ( 2 ) | average price paid per share | total number of shares purchased as part of publicly announced plans or programs ( 1 ) | maximum number of shares that may yet be purchased under the plans or programs |
| 10/01/04 2013 10/31/04 | 6015                                         | $ 40.51                      | n/a                                                                                    | n/a                                                                            |
| 11/01/04 2013 11/30/04 | 5145                                         | $ 38.94                      | n/a                                                                                    | n/a                                                                            |
| 12/01/04 2013 12/31/04 | 34526                                        | $ 37.07                      | n/a                                                                                    | n/a                                                                            |
| total:                 | 45686                                        | $ 37.73                      | n/a                                                                                    | n/a                                                                            |

Question:
what percentage of total number of shares purchased were repurchased in open-market transactions?


pre_text: in july , 2002 , marathon received a notice of enforcement from the state of texas for alleged excess air emissions from its yates gas plant and production operations on its kloh lease .
a settlement of this matter was finalized in 2004 , with marathon and its co-owners paying a civil penalty of $ 74000 and the donation of land as a supplemental environmental project in lieu of a further penalty of $ 74000 .
marathon is owner of a 38% ( 38 % ) interest in the facilities .
in may , 2003 , marathon received a consolidated compliance order & notice or potential penalty from the state of louisiana for alleged various air permit regulatory violations .
this matter was settled for a civil penalty of $ 148628 and awaits formal closure with the state .
in august of 2004 , the west virginia department of environmental protection ( 2018 2018wvdep 2019 2019 ) submitted a draft consent order to map regarding map 2019s handling of alleged hazardous waste generated from tank cleanings in the state of west virginia .
the proposed order seeks a civil penalty of $ 337900 .
map has met with the wvdep and discussions are ongoing in an attempt to resolve this matter .
item 4 .
submission of matters to a vote of security holders not applicable .
part ii item 5 .
market for registrant 2019s common equity and related stockholder matters and issuer purchases of equity securities the principal market on which the company 2019s common stock is traded is the new york stock exchange .
the company 2019s common stock is also traded on the chicago stock exchange and the pacific exchange .
information concerning the high and low sales prices for the common stock as reported in the consolidated transaction reporting system and the frequency and amount of dividends paid during the last two years is set forth in 2018 2018selected quarterly financial data ( unaudited ) 2019 2019 on page f-41 .
as of january 31 , 2005 , there were 58340 registered holders of marathon common stock .
the board of directors intends to declare and pay dividends on marathon common stock based on the financial condition and results of operations of marathon oil corporation , although it has no obligation under delaware law or the restated certificate of incorporation to do so .
in determining its dividend policy with respect to marathon common stock , the board will rely on the financial statements of marathon .
dividends on marathon common stock are limited to legally available funds of marathon .
the following table provides information about purchases by marathon and its affiliated purchaser during the fourth quarter ended december 31 , 2004 of equity securities that are registered by marathon pursuant to section 12 of the exchange act : issuer purchases of equity securities .
post_text: ( 1 ) 42749 shares were repurchased in open-market transactions under the marathon oil corporation dividend reinvestment and direct stock purchase plan ( the 2018 2018plan 2019 2019 ) by the administrator of the plan .
stock needed to meet the requirements of the plan are either purchased in the open market or issued directly by marathon .
( 2 ) 2936 shares of restricted stock were delivered by employees to marathon , upon vesting , to satisfy tax withholding requirements .
item 6 .
selected financial data see page f-49 through f-51. .
label: 0.93571
qa: answer: 93.6%
ann_table_rows: 5
ann_text_rows: 19
steps: op: divide1-1
arg1: 42749
arg2: 45686
res: 93.6%
program: divide(42749, 45686)
gold_inds: table_5: the total : of ( a ) is 45686 ; the total : of ( b ) is $ 37.73 ; the total : of ( c ) is n/a ; the total : of ( d ) is n/a ;
text_19: ( 1 ) 42749 shares were repurchased in open-market transactions under the marathon oil corporation dividend reinvestment and direct stock purchase plan ( the 2018 2018plan 2019 2019 ) by the administrator of the plan .
exe_ans: 0.93571
tfidftopn: table_1: The period of ( a ) is total number of shares purchased ( 1 ) ( 2 ) ; The period of ( b ) is average price paid per share ; The period of ( c ) is total number of shares purchased as part of publicly announced plans or programs ( 1 ) ; The period of ( d ) is maximum number of shares that may yet be purchased under the plans or programs ;
program_re: divide(42749, 45686)
model_input: table_3
the 11/01/04 2013 11/30/04 of ( a ) is 5145 ; the 11/01/04 2013 11/30/04 of ( b ) is $ 38.94 ; the 11/01/04 2013 11/30/04 of ( c ) is n/a ; the 11/01/04 2013 11/30/04 of ( d ) is n/a ;
table_4
the 12/01/04 2013 12/31/04 of ( a ) is 34526 ; the 12/01/04 2013 12/31/04 of ( b ) is $ 37.07 ; the 12/01/04 2013 12/31/04 of ( c ) is n/a ; the 12/01/04 2013 12/31/04 of ( d ) is n/a ;
table_5
the total: of ( a ) is 45686 ; the total: of ( b ) is $ 37.73 ; the total: of ( c ) is n/a ; the total: of ( d ) is n/a ;