I have a table:
我有一张桌子：
Table_Name: price_list
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| id | price_type_a | price_type_b | price_type_c |
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| 1 | 1234 | 5678 | 9012 |
| 2 | 3456 | 7890 | 1234 |
| 3 | 5678 | 9012 | 3456 |
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Table_Name: price_l
