user: Question: What is the grid number with less than 52 laps and a Time/Retired of collision, and a Constructor of arrows - supertec?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Michael Schumacher', 'Ferrari', 53.0, '1:27:31.638', 1.0]
SQL:

assistant: SELECT "Grid" FROM "Table" WHERE "Laps" < 52.0 AND "Time/Retired" = 'collision' AND "Constructor" = 'arrows - supertec';