CREATE TABLE table_name_91 (serial VARCHAR2, outcome VARCHAR2, date VARCHAR2)

On 1959-01-27 when outcome was failure, what is the serial?
SELECT serial FROM table_name_91 WHERE outcome = "failure" AND date = "1959-01-27"
SELECT "serial" FROM "table_name_91" WHERE "1959-01-27" = "date" AND "failure" = "outcome"