CREATE TABLE table_3457 ("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)

What is every year with average start of 27.2?
SELECT "Year" FROM table_3457 WHERE "Avg. Start" = '27.2'
SELECT "Year" FROM "table_3457" WHERE "Avg. Start" = '27.2'