Table: pga_tour_stats_18
Columns: rank
player
country
earnings
wins

Question: What is the player from Australia's rank with more than 16 wins?
SQL: SELECT COUNT("rank") FROM pga_tour_stats_18 WHERE "wins" > 16 AND "country" = 'australia'

Question: What is the highest earnings of a player with more than 19 wins?
SQL: SELECT MAX("earnings") FROM pga_tour_stats_18 WHERE "wins" > 19