Table: world_tour_medals
Columns: rank
nation
gold
silver
bronze
total

Question: How many gold medals did Brazil win with a total of more than 55 medals?
SQL: SELECT AVG("gold") FROM world_tour_medals WHERE "nation" = 'brazil' AND "total" > 55

Question: How many teams won more than 2 silver medals and fewer than 2 Bronze medals?
SQL: SELECT COUNT("rank") FROM world_tour_medals WHERE "silver" > 2 AND "bronze" < 2

Question: What is the fewest gold medals won by Greece?
SQL: SELECT MIN("gold") FROM world_tour_medals WHERE "nation" = 'greece'

Question: What is the lowest rank of the United States, with fewer than 4 bronze medals?
SQL: SELECT MIN("rank") FROM world_tour_medals WHERE "nation" = 'united states' AND "bronze" < 4

Question: What is the highest number of gold medals won by a team that won fewer than 2 silver and fewer than 4 bronze medals?
SQL: SELECT MAX("gold") FROM world_tour_medals WHERE "silver" < 2 AND "bronze" < 4