CREATE TABLE table_15947 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 5" FLOAT, "Top 10" FLOAT, "Poles" FLOAT, "Avg. Start" TEXT, "Avg. Finish" TEXT, "Winnings" TEXT, "Position" TEXT, "Team ( s ) " TEXT)

How many poles had an average finish of 19.1?
SELECT MAX("Poles") FROM table_15947 WHERE "Avg. Finish" = '19.1'
SELECT MAX("Poles") FROM "table_15947" WHERE "Avg. Finish" = '19.1'