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:
| 2015                | $ 1432   |
|:--------------------|:---------|
| 2016                | 350      |
| 2017                | 2014     |
| 2018                | 875      |
| 2019                | 1337     |
| 2020 and thereafter | 7263     |
| total               | $ 11257  |

Question:
what percentage increase occurred from oct 24 , 2017 to oct 24 , 2018 of senior credit facility maturity?


pre_text: devon energy corporation and subsidiaries notes to consolidated financial statements 2013 ( continued ) debt maturities as of december 31 , 2014 , excluding premiums and discounts , are as follows ( in millions ) : .
post_text: credit lines devon has a $ 3.0 billion syndicated , unsecured revolving line of credit ( the senior credit facility ) .
the maturity date for $ 30 million of the senior credit facility is october 24 , 2017 .
the maturity date for $ 164 million of the senior credit facility is october 24 , 2018 .
the maturity date for the remaining $ 2.8 billion is october 24 , 2019 .
amounts borrowed under the senior credit facility may , at the election of devon , bear interest at various fixed rate options for periods of up to twelve months .
such rates are generally less than the prime rate .
however , devon may elect to borrow at the prime rate .
the senior credit facility currently provides for an annual facility fee of $ 3.8 million that is payable quarterly in arrears .
as of december 31 , 2014 , there were no borrowings under the senior credit facility .
the senior credit facility contains only one material financial covenant .
this covenant requires devon 2019s ratio of total funded debt to total capitalization , as defined in the credit agreement , to be no greater than 65 percent .
the credit agreement contains definitions of total funded debt and total capitalization that include adjustments to the respective amounts reported in the accompanying consolidated financial statements .
also , total capitalization is adjusted to add back noncash financial write-downs such as full cost ceiling impairments or goodwill impairments .
as of december 31 , 2014 , devon was in compliance with this covenant with a debt-to- capitalization ratio of 20.9 percent .
commercial paper devon has access to $ 3.0 billion of short-term credit under its commercial paper program .
commercial paper debt generally has a maturity of between 1 and 90 days , although it can have a maturity of up to 365 days , and bears interest at rates agreed to at the time of the borrowing .
the interest rate is generally based on a standard index such as the federal funds rate , libor or the money market rate as found in the commercial paper market .
as of december 31 , 2014 , devon 2019s commercial paper borrowings of $ 932 million have a weighted- average borrowing rate of 0.44 percent .
retirement of senior notes on november 13 , 2014 , devon redeemed $ 1.9 billion of senior notes prior to their scheduled maturity , primarily with proceeds received from its asset divestitures .
the redemption includes the 2.4% ( 2.4 % ) $ 500 million senior notes due 2016 , the 1.2% ( 1.2 % ) $ 650 million senior notes due 2016 and the 1.875% ( 1.875 % ) $ 750 million senior notes due 2017 .
the notes were redeemed for $ 1.9 billion , which included 100 percent of the principal amount and a make-whole premium of $ 40 million .
on the date of redemption , these notes also had an unamortized discount of $ 2 million and unamortized debt issuance costs of $ 6 million .
the make-whole premium , unamortized discounts and debt issuance costs are included in net financing costs on the accompanying 2014 consolidated comprehensive statement of earnings. .
label: 446.66667
qa: answer: 446%
ann_text_rows: 2
3
steps: op: minus1-1
arg1: 164
arg2: 30
res: 134
op: divide1-2
arg1: #0
arg2: 30
res: 4.46
op: multiply1-3
arg1: #1
arg2: const_100
res: 446
program: subtract(164, 30), divide(#0, 30), multiply(#1, const_100)
gold_inds: text_2: the maturity date for $ 30 million of the senior credit facility is october 24 , 2017 .
text_3: the maturity date for $ 164 million of the senior credit facility is october 24 , 2018 .
exe_ans: 446.66667
tfidftopn: text_4: the maturity date for the remaining $ 2.8 billion is october 24 , 2019 .
program_re: multiply(divide(subtract(164, 30), 30), const_100)
model_input: table_3
2015 the 2018 of $ 1432 is 875 ;
table_6
2015 the total of $ 1432 is $ 11257 ;
text_3
the maturity date for $ 164 million of the senior credit facility is october 24 , 2018 .