CREATE TABLE table_name_52 (grid INT, time_retired VARCHAR, laps VARCHAR)

What is the grid average with a +1 lap time and more than 27 laps?
SELECT AVG(grid) FROM table_name_52 WHERE time_retired = "+1 lap" AND laps > 27
SELECT AVG("grid") FROM "table_name_52" WHERE "+1 lap" = "time_retired" AND "laps" > 27