What is the song choice when the theme is not aired?
{'header': ['Episode', 'Theme', 'Song choice', 'Original artist', 'Order #', 'Result'], 'page_title': 'Carlos Peña (singer)', 'page_id': '', 'types': ['text', 'text', 'text', 'text', 'text', 'text'], 'id': '1-12175755-1', 'section_title': 'Performances/Results', 'caption': 'Performances/Results', 'rows': [['Audition', "Auditioner's Choice", '"Sería fácil"', 'Luis Fonsi', 'N/A', 'Advanced'], ['Selection Process', "Auditioner's Choice", 'Not Aired', 'Not Aired', 'N/A', 'Advanced'], ['Selection Process', "Auditioner's Choice", 'Not Aired', 'Not Aired', 'N/A', 'Advanced'], ['Workshop #1', "Contestant's Choice", '"Tu Reputación"', 'Ricardo Arjona', '8', 'Advanced'], ['Top 12', "Contestant's Choice", '"Usted Se Me Llevo La Vida"', 'Alexandre Pires', '10', 'Safe'], ['Top 10', 'Emmanuel Homage', '"Quiero Dormir Cansado"', 'Emmanuel', '6', 'Safe'], ['Top 8', 'Decade They Were Born', '"Detalles"', 'Roberto Carlos', '7', 'Safe'], ['Top 7', 'Ricardo Montaner Homage', '"Bésame"', 'Ricardo Montaner', '7', 'Safe'], ['Top 6', 'Latin Rhythm', '"Fruta Fresca"', 'Carlos Vives', '3', 'Safe'], ['Top 5', 'Boleros and Rancheras', '"La Media Vuelta"', 'José Alfredo Jiménez', '4', 'Safe'], ['Top 5', 'Boleros and Rancheras', '"Ella"', 'José Alfredo Jiménez', '9', 'Safe'], ['Top 4', 'Love songs', '"Contigo en la Distancia"', 'Luis Miguel', '4', 'Safe'], ['Top 4', 'Love songs', '"Si Tú No Estas"', 'Rosana', '8', 'Safe'], ['Top 3', 'Hits Night', '"Cuándo"', 'Ricardo Arjona', '2', 'Safe'], ['Top 3', 'Hits Night', '"Corazón Partío"', 'Alejandro Sanz', '5', 'Safe'], ['Top 2', 'Finale', '"Con una Canción"', 'Carlos Peña', '1', 'Winner'], ['Top 2', 'Finale', '"Usted Se Me Llevó La Vida"', 'Alexandre Pires', '3', 'Winner']], 'name': 'table_12175755_1'}