human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Date, Tournament, Winning score, Margin of victory, Runner(s)-up
###Question: Which Date has a Margin of victory of 5 strokes, and a Winning score of −13 (67-73-64-63=267)?
gpt
SELECT Date FROM table WHERE Margin of victory = 5 strokes AND Winning score = −13 (67-73-64-63=267)