CREATE TABLE table_name_18 (gold INT, total VARCHAR, silver VARCHAR, nation VARCHAR)

What is the sum of the gold medals for the nation of Great britain who had more than 8 silvers and a total of less than 61 medals?
SELECT SUM(gold) FROM table_name_18 WHERE silver > 8 AND nation = "great britain" AND total < 61
SELECT SUM("gold") FROM "table_name_18" WHERE "great britain" = "nation" AND "silver" > 8 AND "total" < 61