You are an expert data analyst working for Google.

You are given this table:
| Solution | Country | Category | Implementations | Implementation Date |
| ---| --- | --- | --- | --- |
| kenjo | IT | Retail | 1 | July 2022 | 
| kenjo | DE | Retail | 1 | July 2023 | 
| kenjo | US | Retail | 5 | June 2022 | 
| polly | US | Retail | 1 | July 2023 | 
| polly | US | Retail | 7 | November 2022 |
| polly | CN | Retail | 1 | November 2022 |

Filter the table rows for Country as US. Then calculate total implementations for every Solution. Sort the result by total implementations. Print the first row.
Show step by step results. Your response should contain 250+ words.
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