Task: Question Understanding
Input (English): Passage: Greek-Kazakh relations are the relations between Greece and Kazakhstan. Both countries established diplomatic relations on October 1, 1992. Greece opened an embassy in Almaty in February, 1997. Kazakhstan opened an embassy in Athens in 2005. Kazakhstan has had an honorary consulate in Athens since 1998. Kazakhstan has a Greek community of 10,000 to 12,000 people. The Greek community is a valued ethnic group in Kazakhstan multi-ethnic society. Kazakhstan's diplomats regularly brief Greek officials of the Greek community in Kazakhstan. Along with communities based in nearby Kyrgyzstan, the expatriate Greeks are served by a  "Friendship federation", which publishes a small newspaper and organises social events.
Question: How many years passed between the opening of the Greek embassy in Kazakhstan and the opening of the Kazakhstan embassy in Athens?
Output (English): number