CREATE TABLE table_44660 ("Pos." FLOAT, "Artist" TEXT, "Single" TEXT, "Year" FLOAT, "Sales" FLOAT, "Peak" FLOAT)

How many sales took place with a peak of 1 for Boris?
SELECT COUNT("Sales") FROM table_44660 WHERE "Peak" = '1' AND "Artist" = 'boris'
SELECT COUNT("Sales") FROM "table_44660" WHERE "Artist" = 'boris' AND "Peak" = '1'