What year was Clark-Smith Autos, Phoenix, AZ in 2nd place?
CREATE TABLE "national_softball_congress_1947_to_1957" (
  "year" real,
  "1st_place_team" text,
  "2nd_place_team" text,
  "3rd_place_team" text,
  "4th_place_team" text,
  "host_location" text
);
SELECT "year" FROM "national_softball_congress_1947_to_1957" WHERE "2nd_place_team"='clark-smith autos, phoenix, az';