CREATE TABLE table_9720 ("Rider" TEXT, "Manufacturer" TEXT, "Laps" FLOAT, "Time" TEXT, "Grid" FLOAT)

What is the average Grid, when Rider is Shinya Nakano, and when Laps is less than 21?
SELECT AVG("Grid") FROM table_9720 WHERE "Rider" = 'shinya nakano' AND "Laps" < '21'
SELECT AVG("Grid") FROM "table_9720" WHERE "Laps" < '21' AND "Rider" = 'shinya nakano'