Plan-of-SQLs (Ours)


Statement: the tournament in which roger federer was the opponent was played on a carpet surface

Ground-truth: FALSE

Input Table: jiří novák

Step 1: Select rows where 'opponent' is 'roger federer'.
date tournament surface opponent score
1996-01-14 auckland , new zealand hard brett steven 6 - 4 , 6 - 4
1998-11-01 mexico city , mexico clay xavier malisse 6 - 3 , 6 - 3
2001-05-06 munich , germany clay antony dupuis 6 - 4 , 7 - 5
2001-07-15 gstaad , switzerland clay juan carlos ferrero 6 - 1 , 6 - 7 (5 - 7) , 7 - 5
2003-07-13 gstaad , switzerland clay roger federer 5 - 7 , 6 - 3 , 6 - 3 , 1 - 6 , 6 - 3
2004-10-10 tokyo , japan hard taylor dent 5 - 7 , 6 - 1 , 6 - 3
2004-11-03 basel , switzerland carpet (i) david nalbandian 5 - 7 , 6 - 3 , 6 - 4 , 1 - 6 , 6 - 2

Step 2: Select rows where 'surface' is 'carpet'.
date tournament surface opponent score
2003-07-13 gstaad , switzerland clay roger federer 5 - 7 , 6 - 3 , 6 - 3 , 1 - 6 , 6 - 3

Step 3: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
date tournament surface opponent score

Final output table:
verification_result
FALSE

Prediction: FALSE

Ground-truth: FALSE