user: Question: What is the Martin mcGuinness with a Sean Gallagher that is 29.6%?
Columns: ['Constituency', 'Michael D. Higgins', 'Seán Gallagher', 'Martin McGuinness', 'Gay Mitchell', 'David Norris', 'Dana Rosemary Scallon', 'Mary Davis']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Carlow–Kilkenny', '36.7%', '33.8%', '12.4%', '7.7%', '4.8%', '2.7%', '1.9%']
SQL:

assistant: SELECT "Martin McGuinness" FROM "Table" WHERE "Seán Gallagher" = '29.6%';