user: Question: What is the time/retired for Phil Hill with over 67 laps and a grad smaller than 18?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Stirling Moss', 'Cooper - Climax', 72.0, '2:04:05.4', 1.0]
SQL:

assistant: SELECT "Time/Retired" FROM "Table" WHERE "Laps" > 67.0 AND "Grid" < 18.0 AND "Driver" = 'Phil Hill';