CREATE TABLE table_55351 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

When the driver peter gethin has a grid less than 25, what is the average number of laps?
SELECT AVG("Laps") FROM table_55351 WHERE "Driver" = 'peter gethin' AND "Grid" < '25'
SELECT AVG("Laps") FROM "table_55351" WHERE "Driver" = 'peter gethin' AND "Grid" < '25'