CREATE TABLE table_62729 ("Week" FLOAT, "Partner" TEXT, "Dance" TEXT, "Song" TEXT, "Result" TEXT)

What week was she safe for a salsa dance?
SELECT SUM("Week") FROM table_62729 WHERE "Result" = 'safe' AND "Dance" = 'salsa'
SELECT SUM("Week") FROM "table_62729" WHERE "Dance" = 'salsa' AND "Result" = 'safe'