Table: driver_stats_5
Columns: season
series
team
races
wins
poles
f_laps
podiums
points
position

Question: How many races have less than 2 podiums and 19th position before 2009?
SQL: SELECT AVG("races") FROM driver_stats_5 WHERE "podiums" < 2 AND "position" = '19th' AND "season" < 2009