CREATE TABLE table_10321124_1 (salmonella VARCHAR2, escherichia VARCHAR2)

what's the salmonella with escherichia being sepb (escn)
SELECT salmonella FROM table_10321124_1 WHERE escherichia = "SepB (EscN)"
SELECT "salmonella" FROM "table_10321124_1" WHERE "SepB (EscN)" = "escherichia"