CREATE TABLE table_45141 ("Episode number Production number" CLOB, "Title" CLOB, "Sydney" FLOAT, "Melbourne" FLOAT, "Brisbane" FLOAT, "Adelaide" FLOAT, "Perth" FLOAT, "TOTAL" FLOAT, "WEEKLY RANK" FLOAT, "NIGHTLY RANK" FLOAT)

What is the lowest value for Sydney, when WEEKLY RANK is less than 8, and when Brisbane is greater than 252,000?
SELECT MIN("Sydney") FROM table_45141 WHERE "WEEKLY RANK" < '8' AND "Brisbane" > '252,000'
SELECT MIN("Sydney") FROM "table_45141" WHERE "Brisbane" > '252,000' AND "WEEKLY RANK" < '8'