Table: us_grand_prix_2007
Columns: pos
driver
constructor
part_1
grid

Question: What is Driver Kimi Räikkönen's number on the grid?
SQL: SELECT "grid" FROM us_grand_prix_2007 WHERE "driver" = 'kimi räikkönen'

Question: Which driver had a Part 1 time of 1:13.306?
SQL: SELECT "driver" FROM us_grand_prix_2007 WHERE "part_1" = '1:13.306'