Task: Data-Imputation (source dataset: WebTable)

Please fill in the missing value in the input table. The missing value is denoted by '[MISSING]'. Please only return the value filled in. Do not return the whole table.

No explanation, return the value filled in JSON format: {"value": "filled_value"}. 

Input Table:
| Signatory      | Signature        | Institution                | Conclusion date   | Majority needed   | Unnamed: 5        | AB                | Deposited         |   Ref. |
|:---------------|:-----------------|:---------------------------|:------------------|:------------------|:------------------|:------------------|:------------------|-------:|
| Austria        | 19 February 2013 | Federal Council            | 18 July 2013      | 50%               | Majority approval | Majority approval | 6 August 2013     |    nan |
| Austria        | 19 February 2013 | National Council           | 6 July 2013       | 50%               | Majority approval | [MISSING]         | 6 August 2013     |    nan |
| Austria        | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | 6 August 2013     |    nan |
| Belgium        | 19 February 2013 | Senate                     | 13 March 2014     | 50%               | 8                 | 0                 | 6 June 2014       |    nan |
| Belgium        | 19 February 2013 | Chamber of Representatives | 23 April 2014     | 50%               | 19                | 0                 | 6 June 2014       |    nan |
| Belgium        | 19 February 2013 | Royal Assent               | 27 May 2014       | -                 | Granted           | Granted           | 6 June 2014       |    nan |
| Bulgaria       | 5 March 2013     | National Assembly          | 8 April 2016      | 50%               | Approved          | Approved          | 3 June 2016       |    nan |
| Bulgaria       | 5 March 2013     | Presidential Assent        | 18 April 2016     | -                 | Granted           | Granted           | 3 June 2016       |    nan |
| Cyprus         | 19 February 2013 | House of Representatives   | nan               | nan               | nan               | nan               | nan               |    nan |
| Cyprus         | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Czech Republic | 19 February 2013 | Chamber of Deputies        | nan               | nan               | nan               | nan               | nan               |    nan |
| Czech Republic | 19 February 2013 | Senate                     | nan               | nan               | nan               | nan               | nan               |    nan |
| Czech Republic | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Denmark        | 19 February 2013 | Folketing                  | 29 April 2014     | 50%               | 21                | 0                 | 20 June 2014      |    nan |
| Denmark        | 19 February 2013 | Referendum                 | 25 May 2014       | 50%               | 37.5%             | -                 | 20 June 2014      |    nan |
| Denmark        | 19 February 2013 | Royal Assent               | 2 June 2014       | -                 | Granted           | Granted           | 20 June 2014      |    nan |
| Estonia        | 19 February 2013 | Riigikogu                  | nan               | nan               | nan               | nan               | nan               |    nan |
| Estonia        | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Finland        | 19 February 2013 | Parliament                 | 8 December 2015   | nan               | Approved          | Approved          | 19 January 2016   |    nan |
| Finland        | 19 February 2013 | Presidential Assent        | 8 January 2016    | -                 | Granted           | Granted           | 19 January 2016   |    nan |
| France         | 19 February 2013 | National Assembly          | 13 February 2014  | 50%               | Approved          | Approved          | 14 March 2014     |    nan |
| France         | 19 February 2013 | Senate                     | 21 November 2013  | 50%               | Majority approval | Majority approval | 14 March 2014     |    nan |
| France         | 19 February 2013 | Presidential Assent        | 24 February 2014  | -                 | Granted           | Granted           | 14 March 2014     |    nan |
| Germany        | 19 February 2013 | Bundestag                  | 10 March 2017     | nan               | Approved          | Approved          | nan               |    nan |
| Germany        | 19 February 2013 | Bundesrat                  | 31 March 2017     | nan               | Approved          | Approved          | nan               |    nan |
| Germany        | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Greece         | 19 February 2013 | Parliament                 | nan               | nan               | nan               | nan               | nan               |    nan |
| Greece         | 19 February 2013 | Presidential Promulgation  | nan               | -                 | nan               | nan               | nan               |    nan |
| Hungary        | 19 February 2013 | National Assembly          | nan               | nan               | nan               | nan               | nan               |    nan |
| Hungary        | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Ireland        | 19 February 2013 | House of Representatives   | nan               | 50%               | nan               | nan               | nan               |    nan |
| Ireland        | 19 February 2013 | Senate                     | nan               | 50%               | nan               | nan               | nan               |    nan |
| Ireland        | 19 February 2013 | Referendum                 | nan               | 50%               | nan               | nan               | nan               |    nan |
| Ireland        | 19 February 2013 | Presidential Assent        | nan               | -                 | nan               | nan               | nan               |    nan |
| Italy          | 19 February 2013 | Chamber of Deputies        | 14 September 2016 | nan               | 108               | 25                | 10 February 2017  |    nan |
| Italy          | 19 February 2013 | Senate                     | 18 October 2016   | nan               | 30                | 7                 | 10 February 2017  |    nan |
| Italy          | 19 February 2013 | Presidential Assent        | 3 November 2016   | -                 | Granted           | Granted           | 10 February 2017  |    nan |
| Latvia         | 19 February 2013 | Parliament                 | 30 March 2017     | nan               | Approved          | Approved          | nan               |    nan |
| Latvia         | 19 February 2013 | Presidential Assent        | 12 April 2017     | -                 | Granted           | Granted           | nan               |    nan |
| Lithuania      | 19 February 2013 | Parliament                 | 3 November 2016   | nan               | Approved          | Approved          | nan               |    nan |
| Lithuania      | 19 February 2013 | Presidential Assent        | 8 November 2016   | -                 | Granted           | Granted           | nan               |    nan |
| Luxembourg     | 19 February 2013 | Chamber of Deputies        | 18 March 2015     | nan               | 0                 | 0                 | 22 May 2015       |    nan |
| Luxembourg     | 19 February 2013 | Grand Ducal Assent         | 12 April 2015     | -                 | Granted           | Granted           | 22 May 2015       |    nan |
| Malta          | 19 February 2013 | House of Representatives   | 21 January 2014   | 50%               | Unanimous         | Unanimous         | 9 December 2014   |    nan |
| Netherlands    | 19 February 2013 | Senate                     | 28 June 2016      | nan               | Approved          | Approved          | 14 September 2016 |    nan |
| Netherlands    | 19 February 2013 | House of Representatives   | 17 June 2016      | nan               | Approved          | Approved          | 14 September 2016 |    nan |
| Netherlands    | 19 February 2013 | Royal Promulgation         | 29 June 2016      | -                 | Granted           | Granted           | 14 September 2016 |    nan |
| Portugal       | 19 February 2013 | Assembly                   | 10 April 2015     | nan               | Approved          | Approved          | 28 August 2015    |    nan |
| Portugal       | 19 February 2013 | Presidential Assent        | 6 August 2015     | -                 | Granted           | Granted           | 28 August 2015    |    nan |
| Romania        | 19 February 2013 | House of Representatives   | nan               | nan               | nan               | nan               | nan               |    nan |



row_idx: 1
col_idx: 6
col_name: AB
label: Majority approval