CREATE TABLE table_20686 ("Year" FLOAT, "Starts" FLOAT, "Wins" FLOAT, "Top 10" FLOAT, "Avg. Start" CLOB, "Avg. Finish" CLOB, "Winnings" CLOB, "Position" CLOB, "Team ( s ) " CLOB)

How many years did he have an average finish of 29.2?
SELECT COUNT("Winnings") FROM table_20686 WHERE "Avg. Finish" = '29.2'
SELECT COUNT("Winnings") FROM "table_20686" WHERE "Avg. Finish" = '29.2'