CREATE TABLE table_31920 ("Outcome" CLOB, "Year" FLOAT, "Championship" CLOB, "Opponent in the final" CLOB, "Score  ( l )  = score in legs ,   ( s )  = score in sets." CLOB)

Tell me the outcome for premier league darts
SELECT "Outcome" FROM table_31920 WHERE "Championship" = 'premier league darts'
SELECT "Outcome" FROM "table_31920" WHERE "Championship" = 'premier league darts'