Query assistant for candidate_summaries

Schema that will be passed to the model

CREATE TABLE "candidate_summaries" ("candidate", "office", "party", "status", "total_contributions", "total_refunds", "monetary_raised", "inkind_received", "total_self_contributions", "total_loans", "total_unitemized", "total_expenditures", "total_unitemized_spent", "total_spent", "cash_on_hand", "contributor_count", "filing_count", "is_incumbent")