What is John Oxendine at in the poll where Karen Handel is at 38%?
CREATE TABLE "republican_primary" (
  "poll_source" text,
  "dates_administered" text,
  "john_oxendine" text,
  "karen_handel" text,
  "nathan_deal" text,
  "eric_johnson" text,
  "ray_mc_berry" text,
  "undecided" text
);
SELECT "john_oxendine" FROM "republican_primary" WHERE "karen_handel"='38%';