["['Q31803127', 'Q31803075', 'Q31803138', 'Q31803092', 'Q31802996']", "['2010s', '1990s', '1980s', 'Gregorian calendar', '1960s']", "['list of state leaders in 1991', 'list of state leaders in 1997', 'list of state leaders in 2011', 'list of state leaders in 1982', 'list of state leaders in 2005']"]