CREATE TABLE table_78435 ("Driver" TEXT, "Constructor" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT)

What is the grid number with less than 52 laps and a Time/Retired of collision, and a Constructor of arrows - supertec?
SELECT COUNT("Grid") FROM table_78435 WHERE "Laps" < '52' AND "Time/Retired" = 'collision' AND "Constructor" = 'arrows - supertec'
SELECT COUNT("Grid") FROM "table_78435" WHERE "Constructor" = 'arrows - supertec' AND "Laps" < '52' AND "Time/Retired" = 'collision'