What is the result for the distance of 10f, and a winner or 2nd of Lampra?
CREATE TABLE "1930_31_season_as_a_four_year_old" (
  "result" text,
  "race" text,
  "distance" text,
  "weight" real,
  "winner_or_2nd" text,
  "pos_n" text
);
SELECT "result" FROM "1930_31_season_as_a_four_year_old" WHERE "distance"='10f' AND "winner_or_2nd"='lampra';