Task: Schema-Matching (source dataset: HXD)

Task: 
Please identify the matching columns between Table A and Table B. For each column in Table A, specify the corresponding column in Table B. If a column in A has no corresponding column in Table B, you can map it to null. Represent each column mapping using a pair of column headers in a list, i.e., [Table A Column, Table B column or null]. Provide the mapping for each column in Table A and return all mappings in a list.

No explanation and return the matching columns in a structured JSON format: {"column_mappings": <a list of column pairs>}.

TableA:
| Reported Date   | Country Name                     | Country Code   | Nom Province   | Admin1_Code   | Nom Territoire   | Admin2_Code   | Date_R2             |   Menages deplaces |   Individus deplace |   nbre_menage_retournes |   nbre_individus_retournes |
|:----------------|:---------------------------------|:---------------|:---------------|:--------------|:-----------------|:--------------|:--------------------|-------------------:|--------------------:|------------------------:|---------------------------:|
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | KABALO           | COD7407       | 2020-01-16 00:00:00 |                  6 |                  38 |                       0 |                          0 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-17 00:00:00 |                 30 |                 186 |                     308 |                       1799 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-10 00:00:00 |                  0 |                   0 |                      62 |                        359 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-16 00:00:00 |                 18 |                 108 |                      61 |                        133 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | KABALO           | COD7407       | 2020-01-16 00:00:00 |                  1 |                   6 |                       0 |                          0 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-17 00:00:00 |                  1 |                   8 |                      24 |                        129 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-16 00:00:00 |                 12 |                  81 |                     521 |                       2508 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | MANONO           | COD7406       | 2020-01-12 00:00:00 |                  3 |                  19 |                       6 |                         34 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | KABALO           | COD7407       | 2020-01-17 00:00:00 |                 27 |                 135 |                       0 |                          0 |
| Jan-31-2020     | Democratic Republic of the Congo | COD            | TANGANYIKA     | COD74         | KABALO           | COD7407       | 2020-01-16 00:00:00 |                  0 |                   0 |                      21 |                         79 |

TableB:
| Country                          | Country Code   | Reported Date   | admin_1_code   | admin_1_label   | admin_2_code   | admin_2_label   | date_enquete        |   hh_IDP_presents_36_mois |   ind_IDP_presents_36_mois |   hh_RETs_presents_36mo |   ind_RETs_presents_36mo |
|:---------------------------------|:---------------|:----------------|:---------------|:----------------|:---------------|:----------------|:--------------------|--------------------------:|---------------------------:|------------------------:|-------------------------:|
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6202        | KABARE          | 2022-07-14 00:00:00 |                         1 |                          5 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6205        | KALEHE          | 2022-07-09 00:00:00 |                       116 |                        801 |                      94 |                      565 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6203        | SHABUNDA        | 2022-07-20 00:00:00 |                         9 |                         52 |                       2 |                       11 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6212        | MWENGA          | 2022-07-14 00:00:00 |                         8 |                         49 |                       6 |                       31 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6207        | WALUNGU         | 2022-07-09 00:00:00 |                        48 |                        239 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6207        | WALUNGU         | 2022-07-07 00:00:00 |                        17 |                         95 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6207        | WALUNGU         | 2022-07-13 00:00:00 |                         0 |                          0 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6210        | FIZI            | 2022-07-25 00:00:00 |                        41 |                        226 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6207        | WALUNGU         | 2022-07-11 00:00:00 |                         0 |                          0 |                       0 |                        0 |
| Democratic Republic of the Congo | COD            | July-31-2022    | COD62          | SUD-KIVU        | COD6203        | SHABUNDA        | 2022-07-14 00:00:00 |                       137 |                        787 |                     165 |                      679 |



source_headers: Reported Date
Country Name
Country Code
Nom Province
Admin1_Code
Nom Territoire
Admin2_Code
Date_R2
Menages deplaces
Individus deplace
nbre_menage_retournes
nbre_individus_retournes
target_headers: Reported Date
Country
Country Code
admin_1_label
admin_1_code
admin_2_label
admin_2_code
date_enquete
hh_IDP_presents_36_mois
ind_IDP_presents_36_mois
hh_RETs_presents_36mo
ind_RETs_presents_36mo
column_mappings: Reported Date
Reported Date
Country Name
Country
Country Code
Country Code
Nom Province
admin_1_label
Admin1_Code
admin_1_code
Nom Territoire
admin_2_label
Admin2_Code
admin_2_code
Date_R2
date_enquete
Menages deplaces
hh_IDP_presents_36_mois
Individus deplace
ind_IDP_presents_36_mois
nbre_menage_retournes
hh_RETs_presents_36mo
nbre_individus_retournes
ind_RETs_presents_36mo
output: {"column_mappings": [["Reported Date", "Reported Date"], ["Country Name", "Country"], ["Country Code", "Country Code"], ["Nom Province", "admin_1_label"], ["Admin1_Code", "admin_1_code"], ["Nom Territoire", "admin_2_label"], ["Admin2_Code", "admin_2_code"], ["Date_R2", "date_enquete"], ["Menages deplaces", "hh_IDP_presents_36_mois"], ["Individus deplace", "ind_IDP_presents_36_mois"], ["nbre_menage_retournes", "hh_RETs_presents_36mo"], ["nbre_individus_retournes", "ind_RETs_presents_36mo"]]}