CREATE TABLE table_name_17 (team VARCHAR, chassis___engine VARCHAR, laps VARCHAR)

What team has a porsche 956 b chassis-engine with less than 79 laps?
SELECT team FROM table_name_17 WHERE chassis___engine = "porsche 956 b" AND laps < 79
SELECT "team" FROM "table_name_17" WHERE "chassis___engine" = "porsche 956 b" AND "laps" < 79