|Network name|Flagship|Programming type|Owner|Affiliates|
|---|---|---|---|---|
|Canal de las Estrellas|XEW 2|soap operas, retro movies and sports|Televisa|5|
|Canal 5|XHGC 5|cartoons, movies, and series|Televisa|4|
|TV MÁS|XHGV 4|educational and cultural|Gobierno de Veracruz|8|
|Azteca 7|XHIMT 7|movies, series, and sports|TV Azteca|3|
|Galavisión|XEQ 9|retro and sports|Televisa|2|
|Once TV|XEIPN 11|educational|Instituto Politecnico Nacional|2|
|Azteca 13|XHDF 13|news, soap operas, and sports|TV Azteca|4|
|Televisa Regional||select from Televisa networks1|Televisa|2|

Question: tell me the number of stations tv azteca owns.
Answer: 2