Statement: rank 4 is lower than 6:40.02

Input Table: rowing at the 2008 summer olympics - men 's lightweight double sculls

Step 1: Select rows where 'rank' is 4.
rank rowers country time notes
1 pedro fraga , nuno mendes portugal 6:39.07 sa / b
2 eyder batista , yunior perez cuba 6:40.15 sa / b
3 kazushige ura , daisaku takeda japan 6:43.03 sc / d
4 zsolt hirling , tamã¡s varga hungary 6:50.48 sc / d
5 devender kumar khandwal , manjeet singh india 7:02.06 sc / d
6 jang kang - eun , kim hong - kyun south korea 7:12.17 sc / d
Step 2: Extract the numerical time from the 'time' column by identifying the number after ':' to add column 'num_time' to existing table.
rank rowers country time notes
4 zsolt hirling , tamã¡s varga hungary 6:50.48 sc / d
Step 3: Select rows where 'num_time' is lower than 6:40.02.
rank rowers country time notes num_time
4 zsolt hirling , tamã¡s varga hungary 6:50.48 sc / d 50.48
Step 4: Use a `CASE` statement to return TRUE if the number of rows is equal to 1, otherwise return FALSE.
rank rowers country time notes num_time
4 zsolt hirling , tamã¡s varga hungary 6:50.48 sc / d 50.48
Final output table:
verification_result
TRUE

Prediction: TRUE