Table: canoe_sprint_1970
Columns: rank
nation
gold
silver
bronze
total

Question: Which Silver has a Total of 11, and a Gold smaller than 8?
SQL: SELECT MIN("silver") FROM canoe_sprint_1970 WHERE "total" = 11 AND "gold" < 8

Question: Which Silver has a Total of 1, and a Rank of 12?
SQL: SELECT MIN("silver") FROM canoe_sprint_1970 WHERE "total" = 1 AND "rank" = '12'