CREATE TABLE table_61629 ("Fin. Pos" FLOAT, "Car No." FLOAT, "Driver" CLOB, "Team" CLOB, "Laps" FLOAT, "Time/Retired" CLOB, "Grid" FLOAT, "Laps Led" FLOAT, "Points" CLOB)

What is the average grid for Marco Andretti with a finishing position higher than 19?
SELECT AVG("Grid") FROM table_61629 WHERE "Driver" = 'marco andretti' AND "Fin. Pos" > '19'
SELECT AVG("Grid") FROM "table_61629" WHERE "Driver" = 'marco andretti' AND "Fin. Pos" > '19'