Table: swimming_paralympics_2008
Columns: rank
nation
gold
silver
bronze
total

Question: What is the hioghest amount of silver medals for a nation ranked higher than 19 and less than 2 gold medals?
SQL: SELECT MAX("silver") FROM swimming_paralympics_2008 WHERE "rank" = '19' AND "gold" < 2

Question: What nation finished with 11 silver medals?
SQL: SELECT "nation" FROM swimming_paralympics_2008 WHERE "silver" = 11