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_name_39 ( date VARCHAR, type VARCHAR, pilot VARCHAR, record_description VARCHAR )

### Question ###
Pilot of g.v. alfyorov, and a Record description of altitude with kg (lb) payload, and a Type of mi-10 involved what date?

### Accurate SQL ###

SELECT date FROM table_name_39 WHERE pilot = "g.v. alfyorov" AND record_description = "altitude with kg (lb) payload" AND type = "mi-10"