filed three lawsuits
... that Chief Stephen Talkhouse unsuccessfully filed three lawsuits between 1897 and 1918 against the Long Island Rail Road, and its predecessors in title, claiming Montauk Point?
... that Chief <a href="./Stephen_Talkhouse" id="mwjA" rel="mw:WikiLink" title="Stephen Talkhouse">Stephen Talkhouse</a> unsuccessfully <b id="mwjQ"><a href="./Montauk_Point_land_claim" id="mwjg" rel="mw:WikiLink" title="Montauk Point land claim">filed three lawsuits</a></b> between 1897 and 1918 against the <a href="./Long_Island_Rail_Road" id="mwjw" rel="mw:WikiLink" title="Long Island Rail Road">Long Island Rail Road</a>, and its predecessors in title, claiming <a href="./Montauk_Point_State_Park" id="mwkA" rel="mw:WikiLink" title="Montauk Point State Park">Montauk Point</a>?