Question: What is the birthdate of this American director, screenwriter, and producer, who reunited with Tom Cross on the romantic comedy "La La Land"?
Sentence (from "Tom Cross (film editor)"): He came to worldwide prominence in 2015 when he won the Independent Spirit Award for Best Editing, BAFTA Award for Best Editing, and Academy Award for Best Editing (among other honors) for his work on the acclaimed film "Whiplash" (2014).
Relevant evidence: No