How much in average Loans Received has Contributions less than 34,986,088, Disbursements more than 251,093,944 for Dennis Kucinich † with Operating Expenditures more than 3,638,219?
CREATE TABLE "democrats" (
  "candidate" text,
  "contributions" real,
  "loans_received" real,
  "all_receipts" real,
  "operating_expenditures" real,
  "all_disbursements" real
);
SELECT AVG("loans_received") FROM "democrats" WHERE "contributions"<'34,986,088' AND "all_disbursements">'251,093,944' AND "candidate"='dennis kucinich †' AND "operating_expenditures">'3,638,219';