CREATE TABLE table_22903 ("No." FLOAT, "#" FLOAT, "Title" CLOB, "Directed by" CLOB, "Written by" CLOB, "Original air date" CLOB, "Production code" CLOB, "U.S. viewers  ( million ) " CLOB)

Name the number for viewers being 1.87
SELECT MAX("#") FROM table_22903 WHERE "U.S. viewers (million)" = '1.87'
SELECT MAX("#") FROM "table_22903" WHERE "U.S. viewers (million)" = '1.87'