CREATE TABLE table_6589 ("Release date" TEXT, "Length" TEXT, "Director ( s ) " TEXT, "Character name" TEXT, "Character type" TEXT, "Leading lady" TEXT)

Who directed the film that had phyllis welch as the leading lady?
SELECT "Director(s)" FROM table_6589 WHERE "Leading lady" = 'phyllis welch'
SELECT "Director(s)" FROM "table_6589" WHERE "Leading lady" = 'phyllis welch'