user: Question: What team has a Porsche 956 B chassis-engine with less than 79 laps?
Columns: ['Class', 'Team', 'Driver', 'Chassis – Engine', 'Laps']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['C1', 'Blaupunkt Joest Racing', 'Klaus Ludwig', 'Porsche 956 B', 79.0]
SQL:

assistant: SELECT "Team" FROM "Table" WHERE "Chassis – Engine" = 'Porsche 956 B' AND "Laps" < 79.0;