CREATE TABLE table_4475 ("Number" TEXT, "Name" TEXT, "Meaning" TEXT, "Fleet" TEXT, "Launched" TEXT)

what number is associated with the baltic fleet and leninets ( )?
SELECT "Number" FROM table_4475 WHERE "Fleet" = 'baltic' AND "Name" = 'leninets (ленинец)'
SELECT "Number" FROM "table_4475" WHERE "Fleet" = 'baltic' AND "Name" = 'leninets (ленинец)'