Table: eac_1990
Columns: rank
nation
gold
silver
bronze
total

Question: What is the average number of bronze medals won by Poland?
SQL: SELECT AVG("bronze") FROM eac_1990 WHERE "nation" = 'poland'

Question: What is the average number of gold medals Switzerland received when they ranked larger than 1st and received fewer than 10 bronze medals and more than 1 silver medal?
SQL: SELECT AVG("gold") FROM eac_1990 WHERE "total" > 1 AND "bronze" < 10 AND "nation" = 'switzerland' AND "silver" > 1