How many silvers for japan (1 gold)?
CREATE TABLE table_name_30 (silver INTEGER, nation VARCHAR, gold VARCHAR)
SELECT SUM(silver) FROM table_name_30 WHERE nation = "japan" AND gold > 1
### Context: CREATE TABLE table_name_30 (silver INTEGER, nation VARCHAR, gold VARCHAR) ### Question: How many silvers for japan (1 gold)? ### Answer: SELECT SUM(silver) FROM table_name_30 WHERE nation = "japan" AND gold > 1