545
 It is the letter '' J' ' that is under siege in Texas , at least to Mike Jackson , the mayor of this town near the old shipyards and oil refineries of Houston . 
 Mike Jackson, Houston
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Mike Jackson, Houston