Table:
text: 2010 Heluva Good! Sour Cream Dips at the Glen
Race results
Race results
Pos Grid Car Driver Constructor_ Manufacturer Laps Laps_Led Points
36 15 7 Robby Gordon Robby Gordon Motorsports Toyota 72 0 55
37 14 11 Denny Hamlin Joe Gibbs Racing Toyota 70 0 52
38 13 83 Boris Said Red Bull Racing Team Toyota 65 0 49
39 37 87 Joe Nemechek NEMCO Motorsports Toyota 54 0 46
40 21 36 Ron Fellows Tommy Baldwin Racing Chevrolet 46 0 43
41 39 7 P.J. Jones Robby Gordon Motorsports Toyota 36 0 40
42 26 55 Michael McDowell Prism Motorsports Toyota 35 0 37
43 8 82 Scott Speed Red Bull Racing Team Toyota 28 0 34

Question: Under 2010 Heluva Good! Sour cream dips in the Glen, how many constructors had a 13 grid?