Table:
text: Sistema de Radiodifusoras Culturales Indigenistas
Stations
Stations
Call_sign Launched Transmitting_from Coverage Languages Frequency
XEQIN 15 June 1994 Baja California ( San Quintín ) Baja California Mixtec Zapotec Triqui 1160 AM
XECTZ 21 August 1994 Puebla ( Cuetzalan ) Puebla Hidalgo Veracruz Nahuatl Totonac 1260 AM
XEXPUJ 22 January 1996 Campeche ( Xpujil ) Campeche Quintana Roo Yucatec Maya Ch`ol 700 AM
XEETCH 19 February 1996 Sonora ( Etchojoa ) Sonora Sinaloa Chihuahua Mayo Yaqui Guarijio 700 AM
XECOPA 17 July 1997 Chiapas ( Copainalá ) Chiapas Tabasco Zoque Tzotzil 1210 AM
XETUMI 12 May 1998 Michoacán ( Tuxpan ) Michoacán Edo. de México Querétaro Mazahua Otomi 1010 AM
XECARH 1 August 1998 Hidalgo ( Cardonal ) Hidalgo Querétaro Veracruz San Luis Potosí Ñha-ñhu Nahuatl 1480 AM
XENKA 15 June 1999 Quintana Roo ( Felipe Carrillo Puerto ) Quintana Roo Yucatec Maya 1030 AM

Question: What is the frequency of the station launched on August 21, 1994 among the stations of Sistema de Radiodifusoras Culturales Indigenistas?

Question: Where is the station that started on July 17, 1997 broadcasting by Sistema de Radiodifusoras Culturales Indigenistas?

Question: What is the reach of the station under Sistema de Radiodifusoras Culturales Indigenistas of 1992, launched on January 22, 1996?