SELECT "Women's singles" FROM table_34954 WHERE "Year" < '1965' AND "Mixed doubles" = 'kaj lindfors ann-louise von essen'
What is the women's singles before 1965 with kaj lindfors ann-louise von essen being mixed doubles?
CREATE TABLE table_34954 (
    "Year" real,
    "Men's singles" text,
    "Women's singles" text,
    "Men's doubles" text,
    "Women's doubles" text,
    "Mixed doubles" text
)