Question:
Who was the chair of Order of Vittorio Veneto in Jun, 1970?

Context:
 Giorgio Napolitano is the chair of Order of Vittorio Veneto from Jan, 2006 to Jan, 2015. 
 Oscar Luigi Scalfaro is the chair of Order of Vittorio Veneto from Jan, 1992 to Jan, 1999. 
 Giovanni Leone is the chair of Order of Vittorio Veneto from Jan, 1971 to Jan, 1978. 
 Sergio Mattarella is the chair of Order of Vittorio Veneto from Jan, 2015 to Dec, 2022. 
 Sandro Pertini is the chair of Order of Vittorio Veneto from Jan, 1978 to Jan, 1985. 
 Francesco Cossiga is the chair of Order of Vittorio Veneto from Jan, 1985 to Jan, 1992. 
 Giuseppe Saragat is the chair of Order of Vittorio Veneto from Jan, 1968 to Jan, 1971. 
 Carlo Azeglio Ciampi is the chair of Order of Vittorio Veneto from Jan, 1999 to Jan, 2006.

Answer:
Giuseppe Saragat