Table: golf_stats_4
Columns: date
tournament
winning_score
to_par
margin_of_victory

Question: What is the date of the tournament with 5 strokes as the margin of victory?
SQL: SELECT "date" FROM golf_stats_4 WHERE "margin_of_victory" = '5 strokes'

Question: What is the margin of victory of the tournament on 15 Jul 2007?
SQL: SELECT "margin_of_victory" FROM golf_stats_4 WHERE "date" = '15 jul 2007'

Question: What is the margin of victory of the tournament with a winning score of 70-67-64-71=272?
SQL: SELECT "margin_of_victory" FROM golf_stats_4 WHERE "winning_score" = '70-67-64-71=272'