CREATE TABLE table_1627 ("Series" TEXT, "Title" TEXT, "Broadcasts  ( TV )  1" FLOAT, "Episodes  ( TV+extra )  2" TEXT, "Directors" TEXT, "Aired in Japan 3" TEXT, "US Release Date" TEXT)

When 7 april 2001 to 29 september 2001 was aired in japan 2 how many titles were there?
SELECT COUNT("Title") FROM table_1627 WHERE "Aired in Japan 3" = '7 April 2001 to 29 September 2001'
SELECT COUNT("Title") FROM "table_1627" WHERE "Aired in Japan 3" = '7 April 2001 to 29 September 2001'