Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_40451 ( "Constituency" text, "Michael D. Higgins" text, "Se\u00e1n Gallagher" text, "Martin McGuinness" text, "Gay Mitchell" text, "David Norris" text, "Dana Rosemary Scallon" text, "Mary Davis" text )

### Question ###
What is the Martin mcGuinness with a Sean Gallagher that is 29.6%?

### Accurate SQL ###

SELECT "Martin McGuinness" FROM table_40451 WHERE "Se\u00e1n Gallagher" = '29.6%'