CREATE TABLE table_64324 ("Name" TEXT, "Career" TEXT, "Matches" FLOAT, "Overs" FLOAT, "Maidens" FLOAT, "Runs" FLOAT, "Wickets" FLOAT, "Average" FLOAT, "Best" TEXT)

What is the largest number of wickets when there are more than 630 maidens and a best of 7/72?
SELECT MAX("Wickets") FROM table_64324 WHERE "Maidens" > '630' AND "Best" = '7/72'
SELECT MAX("Wickets") FROM "table_64324" WHERE "Best" = '7/72' AND "Maidens" > '630'