user: Question: Which TV network had its series finale on May 7, 2012?
Columns: ['Country', 'Alternante title', 'TV Network(s)', 'Series premiere', 'Series finale']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Mexico', 'La Fuerza del Destino', 'Canal de las Estrellas', 'March 14, 2011', 'July 31, 2011']
SQL:

assistant: SELECT "TV Network(s)" FROM "Table" WHERE "Series finale" = 'May 7, 2012';