user: Question: List all artists with choreographer Marcos Aguirre and a Simple rating.
Columns: ['Song title', 'Artist', 'Decade', 'Choreographer', 'Rating', 'Difficulty (Out of 7)', 'Character', 'DC2 Character', 'DC3 Venue', 'Crew']
Types: ['text', 'text', 'text', 'text', 'text', 'real', 'text', 'text', 'text', 'text']
Sample row: ['" Body Movin\' ( Fatboy Slim Remix)"', 'Beastie Boys', '1990s', 'Marcos Aguirre', 'Off The Hook', 7.0, 'Oblio', 'Bodie', 'Toprock Avenue', 'Lu$h Crew']
SQL:

assistant: SELECT "Artist" FROM "Table" WHERE "Choreographer" = 'Marcos Aguirre' AND "Rating" = 'Simple';