user: Question: what is the s.r. number when lb&sc number is 34?
Columns: ['LB&SC Number', 'Built', 'S.R. Number', 'Withdrawal', 'Notes']
Types: ['real', 'text', 'real', 'text', 'text']
Sample row: [11.0, 'Cannot handle non-empty timestamp argument! 1907', 2011.0, 'Cannot handle non-empty timestamp argument! 1933', 'I2']
SQL:

assistant: SELECT "S.R. Number" FROM "Table" WHERE "LB&SC Number" = 34.0;