CREATE TABLE table_203_7 (id DECIMAL, "pos." DECIMAL, "artist" TEXT, "single" TEXT, "year" DECIMAL, "sales" DECIMAL, "peak" DECIMAL)

what were the total number of songs that peaked at number one according to this chart ?
SELECT COUNT(*) FROM table_203_7 WHERE "peak" = 1
SELECT COUNT(*) FROM "table_203_7" WHERE "peak" = 1