CREATE TABLE table_18809 ("Rank by average" FLOAT, "Competition finish" FLOAT, "Couple" TEXT, "Total" FLOAT, "Number of dances" FLOAT, "Average" TEXT)

how many turns were completed to make a mean of 34.0
SELECT COUNT("Number of dances") FROM table_18809 WHERE "Average" = '34.0'
SELECT COUNT("Number of dances") FROM "table_18809" WHERE "Average" = '34.0'