2016 Auto Club 400
First practice
Table:
Pos

No.

Driver

Team

Manufacturer

Time

Speed

1

3
Austin Dillon
Richard Childress Racing
Chevrolet
38.194
188.511

2

78
Martin Truex Jr.
Furniture Row Racing
Toyota
38.210
188.432

3

4
Kevin Harvick
Stewart-Haas Racing
Chevrolet
38.236
188.304

Official first practice results

Looking at the tabular data covering '2016 Auto Club 400' — "First practice" section, produce a single-sentence summary focused on the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.