CREATE TABLE table_15986 ("Week" FLOAT, "Dance/song" CLOB, "Horwood" CLOB, "Goodman" CLOB, "Dixon" CLOB, "Tonioli" CLOB, "Total" CLOB, "Result" CLOB)

What score did Dixon give to the song 'samba / young hearts run free', which was in second place?
SELECT "Dixon" FROM table_15986 WHERE "Dance/song" = 'Samba / Young Hearts Run Free' AND "Result" = 'Second place'
SELECT "Dixon" FROM "table_15986" WHERE "Dance/song" = 'Samba / Young Hearts Run Free' AND "Result" = 'Second place'