CREATE TABLE table_21269143_1 (attendance VARCHAR, result VARCHAR, opponent VARCHAR)

Name the attendance for loss result and salford city reds
SELECT attendance FROM table_21269143_1 WHERE result = "Loss" AND opponent = "Salford City Reds"
SELECT "attendance" FROM "table_21269143_1" WHERE "Loss" = "result" AND "Salford City Reds" = "opponent"