Statement: the aggregate result of the game with score 4 - 1 was 4 - 1

Input Table: kwak tae - hwi

Step 1: Select rows where the 'score' is '4 - 1'.
date venue score result competition
2008-02-02 seoul , south korea 1 - 0 4 - 0 2010 world cup qualification
2008-02-17 chongqing , china 3 - 2 3 - 2 2008 east asian cup
2008-10-15 seoul , south korea 4 - 1 4 - 1 2010 world cup qualification
2010-03-03 london , england 2 - 0 2 - 0 friendly
2012-06-08 doha , qatar 2 - 1 4 - 1 2014 world cup qualification
Step 2: Select rows where the 'result' is '4 - 1'.
date venue score result competition
2008-10-15 seoul , south korea 4 - 1 4 - 1 2010 world cup qualification
Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
date venue score result competition
2008-10-15 seoul , south korea 4 - 1 4 - 1 2010 world cup qualification
verification_result
TRUE