Query assistant for expenditures

Schema that will be passed to the model

CREATE TABLE "expenditures" (
  "candidate" TEXT,
  "office" TEXT,
  "party" TEXT,
  "status" TEXT,
  "presentation_term" INTEGER,
  "payee" TEXT,
  "payee_city" TEXT,
  "payee_state" TEXT,
  "payee_zip" TEXT,
  "purpose" TEXT,
  "amount" REAL,
  "date" TEXT
)