Table: grand_prix_2004
Columns: driver
constructor
laps
time_retired
grid

Question: What driver has grid number 18?
SQL: SELECT "driver" FROM grand_prix_2004 WHERE "grid" = 18

Question: What is the time or retired time for timo glock with under 70 laps and a grid number greater than 15?
SQL: SELECT "time_retired" FROM grand_prix_2004 WHERE "laps" < 70 AND "grid" > 15 AND "driver" = 'timo glock'