Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_49637 ( "Rank" real, "1-year peak" text, "5-year peak" text, "10-year peak" text, "15-year peak" text, "20-year peak" text )

### Question ###
What is the 1-year peak with anatoly karpov, 2821 as the 10-year peak?

### Accurate SQL ###

SELECT "1-year peak" FROM table_49637 WHERE "10-year peak" = 'anatoly karpov, 2821'