How many letters does the top answer for “wrote murphy brown” have?

The most common answer is bergen (6 letters).

Crossword clue: wrote murphy brown

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

bergen 6 letters wd-fact-v3

a port city in southwestern Norway

author of murphy brown 50% similar → bergen

wrote father brown 50% similar → chesterton

wrote jackie brown 50% similar → tarantino