user: Question: Which 2nd senior VIII that also has a 4th senior STM?
Columns: ['Crew', 'Open 1st VIII', 'Senior 2nd VIII', 'Senior 3rd VIII', 'Senior IV', 'Year 12 Single Scull', 'Year 11 Single Scull']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [2009.0, 'STM', 'STA', 'STA', 'SOM', 'STM', 'SPLC']
SQL:

assistant: SELECT "Senior 2nd VIII" FROM "Table" WHERE "Senior IV" = 'STM';