Task: Text to Code
Input (English): Step 1: For each row in Organization_Contact_Individuals table, find corresponding rows in Individuals table and in Organizations table.
Step 2: find individual_last_name of the results of step 1 with largest value of uk_vat_number
Output (English): SELECT T1.individual_last_name FROM Individuals AS T1 JOIN Organizations AS T2 JOIN Organization_Contact_Individuals AS T3 ON T1.individual_id = T3.individual_id AND T3.organization_id = T2.organization_id ORDER BY T2.uk_vat_number Desc LIMIT 1