Of which of his successors as US President did Lyndon Johnson make the comment: He can't fart and chew gum at the same time. ?
of which of his successors as us president did lyndon johnson make the comment: he can't fart and chew gum at the same time. 
FreebaseQA-train-19283.P0
us
united states
m.09c7w0
government.governmental_jurisdiction.governing_officials..government.government_position_held.office_holder
m.0c_md_
gerald ford