Table: fundraising for the 2008 united states presidential election
Question: Who had the largest amount of money left over after all disbursements were made?
Step 1 (Reasoning, Auto-categorization): money left over, all receipts - all disbursements
Step 2 (Operation, Indexing): operating expenditures and all disbursements
Step 3 (Reasoning, Arithmetic): -, all receipts and all disbursements
Step 4 (Operation, Sorting): all receipts - all disbursements
Answer: barack obama