CREATE TABLE table_48101 ("Class" TEXT, "Team" TEXT, "Driver" TEXT, "Chassis \\u2013 Engine" TEXT, "Laps" FLOAT)

Which chassis-engine had 77 laps?
SELECT "Chassis \u2013 Engine" FROM table_48101 WHERE "Laps" = '77'
SELECT "Chassis \u2013 Engine" FROM "table_48101" WHERE "Laps" = '77'