What is the record of the match with Columbus as the home team on March 7?
CREATE TABLE "march" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);
SELECT "record" FROM "march" WHERE "home"='columbus' AND "date"='march 7';