What year was incumbent jim ramstad first elected?
{'header': ['District', 'Incumbent', 'Party', 'First elected', 'Results', 'Candidatess'], 'page_title': '', 'page_id': '', 'types': ['text', 'text', 'text', 'real', 'text', 'text'], 'id': '1-1341423-23', 'section_title': '', 'caption': '', 'rows': [['Minnesota 1', 'Gil Gutknecht', 'Republican', '1994', 'Re-elected', 'Gil Gutknecht (R) 57% Mary Rieder (D) 42%'], ['Minnesota 2', 'David Minge', 'Democratic', '1992', 'Lost re-election Republican gain', 'Mark Kennedy (R) 49% David Minge (D) 48%'], ['Minnesota 3', 'Jim Ramstad', 'Republican', '1990', 'Re-elected', 'Jim Ramstad (R) 68% Sue Shuff (D) 30%'], ['Minnesota 5', 'Martin Sabo', 'Democratic', '1978', 'Re-elected', 'Martin Sabo (D) 70% Frank Taylor (R) 23%'], ['Minnesota 6', 'Bill Luther', 'Democratic', '1994', 'Re-elected', 'Bill Luther (D) 50% John Kline (R) 49%'], ['Minnesota 7', 'Collin Peterson', 'Democratic', '1990', 'Re-elected', 'Collin Peterson (D) 69% Glen Menze (R) 30%']], 'name': 'table_1341423_23'}