Table: olympic_medals_1968
Columns: rank
nation
gold
silver
bronze
total

Question: What is the highest rank that has 5 silvers, less than 5 golds, and less than 7 total medals?
SQL: SELECT MAX("rank") FROM olympic_medals_1968 WHERE "silver" = 5 AND "gold" < 5 AND "total" < 7

Question: What is the least amount of silvers for a team with less than 4 golds and less than 5 total medals?
SQL: SELECT MIN("silver") FROM olympic_medals_1968 WHERE "total" < 5 AND "gold" < 4