CREATE TABLE table_63177 ("Number" TEXT, "Previous Number ( s ) " FLOAT, "Previous Class" TEXT, "Converted" FLOAT, "Withdrawn" FLOAT, "Disposal" TEXT)

How much Converted has a Number of 35, and a Withdrawn smaller than 1952?
SELECT COUNT("Converted") FROM table_63177 WHERE "Number" = '35' AND "Withdrawn" < '1952'
SELECT COUNT("Converted") FROM "table_63177" WHERE "Number" = '35' AND "Withdrawn" < '1952'