CREATE TABLE table_18915 ("Country" CLOB, "Currency name" CLOB, "Month with highest inflation rate" CLOB, "Highest monthly inflation rate" CLOB, "Equivalent daily inflation rate" CLOB, "Time required for prices to double" CLOB)

what's the time required for prices to double with highest monthly inflation rate being 29,500%
SELECT "Time required for prices to double" FROM table_18915 WHERE "Highest monthly inflation rate" = '29,500%'
SELECT "Time required for prices to double" FROM "table_18915" WHERE "Highest monthly inflation rate" = '29,500%'