CREATE TABLE table_68608 ("Year" FLOAT, "Entrant" CLOB, "Chassis" CLOB, "Engine" CLOB, "Points" FLOAT)

What was the chassis when the entrant was Lavazza March, and the points were 0.5?
SELECT "Chassis" FROM table_68608 WHERE "Entrant" = 'lavazza march' AND "Points" = '0.5'
SELECT "Chassis" FROM "table_68608" WHERE "Entrant" = 'lavazza march' AND "Points" = '0.5'