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:
| period                   |   total number ofsharespurchased [a] | averageprice paidper share   |   total number of sharespurchased as part of apublicly announced planor program [b] | maximum number ofshares that may yetbe purchased under the planor program [b]   |
|:-------------------------|-------------------------------------:|:-----------------------------|------------------------------------------------------------------------------------:|:--------------------------------------------------------------------------------|
| oct . 1 through oct . 31 |                               725450 | 84.65                        |                                                                              519554 | 17917736                                                                        |
| nov . 1 through nov . 30 |                              1205260 | 89.92                        |                                                                             1106042 | 16811694                                                                        |
| dec . 1 through dec . 31 |                              1133106 | 92.59                        |                                                                              875000 | 15936694                                                                        |
| total                    |                              3063816 | $ 89.66                      |                                                                             2500596 | n/a                                                                             |

Question:
had all four quarters of 2010 had the same number of total shares purchased , how many total shares were purchased in 2010?


pre_text: five-year performance comparison 2013 the following graph provides an indicator of cumulative total shareholder returns for the corporation as compared to the peer group index ( described above ) , the dow jones , and the s&p 500 .
the graph assumes that the value of the investment in the common stock of union pacific corporation and each index was $ 100 on december 31 , 2005 and that all dividends were reinvested .
purchases of equity securities 2013 during 2010 , we repurchased 17556522 shares of our common stock at an average price of $ 75.51 .
the following table presents common stock repurchases during each month for the fourth quarter of 2010 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares that may yet be purchased under the plan or program [b] .
post_text: [a] total number of shares purchased during the quarter includes approximately 563220 shares delivered or attested to upc by employees to pay stock option exercise prices , satisfy excess tax withholding obligations for stock option exercises or vesting of retention units , and pay withholding obligations for vesting of retention shares .
[b] on may 1 , 2008 , our board of directors authorized us to repurchase up to 40 million shares of our common stock through march 31 , 2011 .
we may make these repurchases on the open market or through other transactions .
our management has sole discretion with respect to determining the timing and amount of these transactions .
on february 3 , 2011 , our board of directors authorized us to repurchase up to 40 million additional shares of our common stock under a new program effective from april 1 , 2011 through march 31 , 2014. .
label: 12255264
qa: answer: 12255264
ann_table_rows: 4
ann_text_rows: 3
steps: op: multiply1-1
arg1: 3063816
arg2: const_4
res: 12255264
program: multiply(3063816, const_4)
gold_inds: table_4: period the total of total number ofsharespurchased [a] is 3063816 ; the total of averageprice paidper share is $ 89.66 ; the total of total number of sharespurchased as part of apublicly announced planor program [b] is 2500596 ; the total of maximum number ofshares that may yetbe purchased under the planor program [b] is n/a ;
text_3: the following table presents common stock repurchases during each month for the fourth quarter of 2010 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares that may yet be purchased under the plan or program [b] .
exe_ans: 12255264
tfidftopn: text_2: purchases of equity securities 2013 during 2010 , we repurchased 17556522 shares of our common stock at an average price of $ 75.51 .
program_re: multiply(3063816, const_4)
model_input: table_2
period the nov . 1 through nov . 30 of total number ofsharespurchased [a] is 1205260 ; the nov . 1 through nov . 30 of averageprice paidper share is 89.92 ; the nov . 1 through nov . 30 of total number of sharespurchased as part of apublicly announced planor program [b] is 1106042 ; the nov . 1 through nov . 30 of maximum number ofshares that may yetbe purchased under the planor program [b] is 16811694 ;
table_3
period the dec . 1 through dec . 31 of total number ofsharespurchased [a] is 1133106 ; the dec . 1 through dec . 31 of averageprice paidper share is 92.59 ; the dec . 1 through dec . 31 of total number of sharespurchased as part of apublicly announced planor program [b] is 875000 ; the dec . 1 through dec . 31 of maximum number ofshares that may yetbe purchased under the planor program [b] is 15936694 ;
table_4
period the total of total number ofsharespurchased [a] is 3063816 ; the total of averageprice paidper share is $ 89.66 ; the total of total number of sharespurchased as part of apublicly announced planor program [b] is 2500596 ; the total of maximum number ofshares that may yetbe purchased under the planor program [b] is n/a ;