Which state has a Percent (2009) of 6.2%?
CREATE TABLE "norwegian_americans_by_state" (
  "state" text,
  "norwegian_americans_2000" real,
  "percent_2000" text,
  "norwegian_americans_2009" real,
  "percent_2009" text
);
SELECT "state" FROM "norwegian_americans_by_state" WHERE "percent_2009"='6.2%';