user: Question: What is the low lap total for minardi - motori moderni, and a Grid smaller than 18?
Columns: ['Driver', 'Constructor', 'Laps', 'Time/Retired', 'Grid']
Types: ['text', 'text', 'real', 'text', 'real']
Sample row: ['Alain Prost', 'McLaren - TAG', 60.0, '1:32:28.408', 4.0]
SQL:

assistant: SELECT MIN("Laps") FROM "Table" WHERE "Constructor" = 'minardi - motori moderni' AND "Grid" < 18.0;