CREATE TABLE table_name_17 (party VARCHAR, left_office VARCHAR, portfolio VARCHAR)

What is Party, when Left Office is '23 April 2005', when Portfolio is 'Minister of Reforms and Devolutions'?
SELECT party FROM table_name_17 WHERE left_office = "23 april 2005" AND portfolio = "minister of reforms and devolutions"
SELECT "party" FROM "table_name_17" WHERE "23 april 2005" = "left_office" AND "minister of reforms and devolutions" = "portfolio"