`whenYear` >='-3000'
AND `whenYear` <='3000'
AND
(`whereLoc` ='Shanghai' OR (`whereLon` >='121.21' And`whereLon` <='121.79'And`whereLat` >='30.91'And`whereLat` <='31.49'))
ORDER BY `whenYear` ASC, `whenMonth` ASC , `whenDay` ASC,`eventSig` DESC
LIMIT
0
,
100