CREATE TABLE table_79505 ("Rank" FLOAT, "Athlete" TEXT, "Country" TEXT, "Time" TEXT, "Notes" TEXT)

What is the time of frida svensson's race that had sa/b under the notes?
SELECT "Time" FROM table_79505 WHERE "Notes" = 'sa/b' AND "Athlete" = 'frida svensson'
SELECT "Time" FROM "table_79505" WHERE "Athlete" = 'frida svensson' AND "Notes" = 'sa/b'