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:
| year ended december 31 ( in millions )                    | 2009     | 2008     | 2007     |
|:----------------------------------------------------------|:---------|:---------|:---------|
| trading assets 2013 debt and equity instruments           | $ 318063 | $ 384102 | $ 381415 |
| trading assets 2013 derivative receivables                | 110457   | 121417   | 65439    |
| trading liabilities 2013 debt and equityinstruments ( a ) | $ 60224  | $ 78841  | $ 94737  |
| trading liabilities 2013 derivative payables              | 77901    | 93200    | 65198    |

Question:
what is the increase of the total trading assets between the years 2007 and 2008 , in millions of dollars?


pre_text: jpmorgan chase & co./2009 annual report 173 trading assets and liabilities average balances average trading assets and liabilities were as follows for the periods indicated. .
post_text: ( a ) primarily represent securities sold , not yet purchased .
note 4 2013 fair value option the fair value option provides an option to elect fair value as an alternative measurement for selected financial assets , financial liabilities , unrecognized firm commitments , and written loan com- mitments not previously carried at fair value .
elections elections were made by the firm to : 2022 mitigate income statement volatility caused by the differences in the measurement basis of elected instruments ( for example , cer- tain instruments elected were previously accounted for on an accrual basis ) while the associated risk management arrange- ments are accounted for on a fair value basis ; 2022 eliminate the complexities of applying certain accounting models ( e.g. , hedge accounting or bifurcation accounting for hybrid in- struments ) ; and 2022 better reflect those instruments that are managed on a fair value basis .
elections include : 2022 securities financing arrangements with an embedded derivative and/or a maturity of greater than one year .
2022 loans purchased or originated as part of securitization ware- housing activity , subject to bifurcation accounting , or managed on a fair value basis .
2022 structured notes issued as part of ib 2019s client-driven activities .
( structured notes are financial instruments that contain embed- ded derivatives. ) 2022 certain tax credits and other equity investments acquired as part of the washington mutual transaction .
the cumulative effect on retained earnings of the adoption of the fair value option on january 1 , 2007 , was $ 199 million. .
label: 58665
qa: answer: 58665
explanation: its the difference between the sum of the trading assets during 2007 and 2008 .
ann_table_rows: 1
2
steps: op: add2-1
arg1: 384102
arg2: 121417
res: 505519
op: add2-2
arg1: 381415
arg2: 65439
res: 446854
op: minus2-3
arg1: #0
arg2: #1
res: 58665
program: add(384102, 121417), add(381415, 65439), subtract(#0, #1)
gold_inds: table_1: year ended december 31 ( in millions ) the trading assets 2013 debt and equity instruments of 2009 is $ 318063 ; the trading assets 2013 debt and equity instruments of 2008 is $ 384102 ; the trading assets 2013 debt and equity instruments of 2007 is $ 381415 ;
table_2: year ended december 31 ( in millions ) the trading assets 2013 derivative receivables of 2009 is 110457 ; the trading assets 2013 derivative receivables of 2008 is 121417 ; the trading assets 2013 derivative receivables of 2007 is 65439 ;
exe_ans: 58665
tfidftopn: table_4: year ended december 31 ( in millions ) The trading liabilities 2013 derivative payables of 2009 is 77901 ; The trading liabilities 2013 derivative payables of 2008 is 93200 ; The trading liabilities 2013 derivative payables of 2007 is 65198 ;
program_re: subtract(add(384102, 121417), add(381415, 65439))
model_input: text_0
jpmorgan chase & co./2009 annual report 173 trading assets and liabilities average balances average trading assets and liabilities were as follows for the periods indicated. .
table_1
year ended december 31 ( in millions ) the trading assets 2013 debt and equity instruments of 2009 is $ 318063 ; the trading assets 2013 debt and equity instruments of 2008 is $ 384102 ; the trading assets 2013 debt and equity instruments of 2007 is $ 381415 ;
table_3
year ended december 31 ( in millions ) the trading liabilities 2013 debt and equityinstruments ( a ) of 2009 is $ 60224 ; the trading liabilities 2013 debt and equityinstruments ( a ) of 2008 is $ 78841 ; the trading liabilities 2013 debt and equityinstruments ( a ) of 2007 is $ 94737 ;