How much cash was on hand when the money spent in the 2Q was $16,042,388?
CREATE TABLE "democrats" (
  "candidate" text,
  "money_raised_2_q" text,
  "loans_received_2_q" text,
  "money_spent_2_q" text,
  "total_receipts" text,
  "cash_on_hand" text
);
SELECT "cash_on_hand" FROM "democrats" WHERE "money_spent_2_q"='$16,042,388';