The webapp provides for each item the link on ECB's website.
Speeches for : Vitor Constancio, Mario Draghi where "introductory" appeared
2017-09-07 : Introductory statement to the press conference (with Q&A)2017-06-08 : Introductory statement to the press conference (with Q&A)
2017-03-09 : Introductory statement to the press conference (with Q&A)