CREATE TABLE table_33194 ("Driver" TEXT, "Team" TEXT, "Laps" FLOAT, "Time/Retired" TEXT, "Grid" FLOAT, "Points" FLOAT)

How many average points did the team Minardi Team USA have when there was a grid 3 and more laps than 68?
SELECT AVG("Points") FROM table_33194 WHERE "Team" = 'minardi team usa' AND "Grid" = '3' AND "Laps" > '68'
SELECT AVG("Points") FROM "table_33194" WHERE "Grid" = '3' AND "Laps" > '68' AND "Team" = 'minardi team usa'