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:
| 2011             | 2010             | 2009             | 2008             |
|:-----------------|:-----------------|:-----------------|:-----------------|
| ( in thousands ) | ( in thousands ) | ( in thousands ) | ( in thousands ) |
| $ 23596          | $ 63003          | $ 50131          | $ 11589          |

Question:
by how much did the receivables from the money pool differ from 2009 to 2010?


pre_text: entergy gulf states louisiana , l.l.c .
management 2019s financial discussion and analysis all debt and common and preferred equity/membership interest issuances by entergy gulf states louisiana require prior regulatory approval .
preferred equity/membership interest and debt issuances are also subject to issuance tests set forth in its bond indentures and other agreements .
entergy gulf states louisiana has sufficient capacity under these tests to meet its foreseeable capital needs .
entergy gulf states louisiana 2019s receivables from the money pool were as follows as of december 31 for each of the following years: .
post_text: see note 4 to the financial statements for a description of the money pool .
entergy gulf states louisiana has a credit facility in the amount of $ 100 million scheduled to expire in august 2012 .
no borrowings were outstanding under the credit facility as of december 31 , 2011 .
entergy gulf states louisiana obtained short-term borrowing authorization from the ferc under which it may borrow through october 2013 , up to the aggregate amount , at any one time outstanding , of $ 200 million .
see note 4 to the financial statements for further discussion of entergy gulf states louisiana 2019s short-term borrowing limits .
entergy gulf states louisiana has also obtained an order from the ferc authorizing long-term securities issuances through july 2013 .
hurricane gustav and hurricane ike in september 2008 , hurricane gustav and hurricane ike caused catastrophic damage to entergy gulf states louisiana 2019s service territory .
the storms resulted in widespread power outages , significant damage to distribution , transmission , and generation infrastructure , and the loss of sales during the power outages .
in october 2008 , entergy gulf states louisiana drew all of its $ 85 million funded storm reserve .
on october 15 , 2008 , the lpsc approved entergy gulf states louisiana 2019s request to defer and accrue carrying cost on unrecovered storm expenditures during the period the company seeks regulatory recovery .
the approval was without prejudice to the ultimate resolution of the total amount of prudently incurred storm cost or final carrying cost rate .
entergy gulf states louisiana and entergy louisiana filed their hurricane gustav and hurricane ike storm cost recovery case with the lpsc in may 2009 .
in september 2009 , entergy gulf states louisiana and entergy louisiana and the louisiana utilities restoration corporation ( lurc ) , an instrumentality of the state of louisiana , filed with the lpsc an application requesting that the lpsc grant financing orders authorizing the financing of entergy gulf states louisiana 2019s and entergy louisiana 2019s storm costs , storm reserves , and issuance costs pursuant to act 55 of the louisiana regular session of 2007 ( act 55 financings ) .
entergy gulf states louisiana 2019s and entergy louisiana 2019s hurricane katrina and hurricane rita storm costs were financed primarily by act 55 financings , as discussed below .
entergy gulf states louisiana and entergy louisiana also filed an application requesting lpsc approval for ancillary issues including the mechanism to flow charges and act 55 financing savings to customers via a storm cost offset rider .
in december 2009 , entergy gulf states louisiana and entergy louisiana entered into a stipulation agreement with the lpsc staff that provides for total recoverable costs of approximately $ 234 million for entergy gulf states louisiana and $ 394 million for entergy louisiana , including carrying costs .
under this stipulation , entergy gulf states louisiana agrees not to recover $ 4.4 million and entergy louisiana agrees not to recover $ 7.2 million of their storm restoration spending .
the stipulation also permits replenishing entergy gulf states louisiana's storm reserve in the amount of $ 90 million and entergy louisiana's storm reserve in the amount of $ 200 million when the act 55 financings are accomplished .
in march and april 2010 , entergy gulf states louisiana , entergy louisiana , and other parties to the proceeding filed with the lpsc an uncontested stipulated settlement that includes these terms and also includes entergy gulf states louisiana 2019s and entergy louisiana's proposals under the act 55 financings , which includes a commitment to pass on to customers a minimum of $ 15.5 .
label: 12872
qa: answer: 12872
ann_table_rows: 2
steps: op: minus2-1
arg1: 63003
arg2: 50131
res: 12872
program: subtract(63003, 50131)
gold_inds: table_2: 2011 the $ 23596 of 2010 is $ 63003 ; the $ 23596 of 2009 is $ 50131 ; the $ 23596 of 2008 is $ 11589 ;
exe_ans: 12872
tfidftopn: text_4: entergy gulf states louisiana 2019s receivables from the money pool were as follows as of december 31 for each of the following years: .
text_5: see note 4 to the financial statements for a description of the money pool .
program_re: subtract(63003, 50131)
model_input: table_1
2011 the ( in thousands ) of 2010 is ( in thousands ) ; the ( in thousands ) of 2009 is ( in thousands ) ; the ( in thousands ) of 2008 is ( in thousands ) ;
table_2
2011 the $ 23596 of 2010 is $ 63003 ; the $ 23596 of 2009 is $ 50131 ; the $ 23596 of 2008 is $ 11589 ;
text_20
in december 2009 , entergy gulf states louisiana and entergy louisiana entered into a stipulation agreement with the lpsc staff that provides for total recoverable costs of approximately $ 234 million for entergy gulf states louisiana and $ 394 million for entergy louisiana , including carrying costs .