question: What is the lowest silver that has 1 for the bronze, 1 as the total, 17 as the rank, with a gold less than 0?
answer: SELECT MIN(silver) FROM table_name_15 WHERE bronze = 1 AND total = 1 AND rank = "17" AND gold < 0
context: CREATE TABLE table_name_15 (silver INTEGER, gold VARCHAR, rank VARCHAR, bronze VARCHAR, total VARCHAR)