user: Question: What district is Ruben Hinojosa from?
Columns: ['District', 'Incumbent', 'Party', 'First elected', 'Results', 'Candidates']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Texas 1', 'Max Sandlin', 'Democratic', 1996.0, 'Re-elected', 'Max Sandlin (D) 59.4% Dennis Boerner (R) 40.6%']
SQL:

assistant: SELECT "District" FROM "Table" WHERE "Incumbent" = 'Ruben Hinojosa';