Problem: Huge fields along the zone were discovered in 1920 by Long Beach Oil Field and Huntington Beach Oil Field in 1921 .
Huge fields along the zone were discovered at the Huntington Beach Oil Field in 1920 and at Long Beach Oil Field in 1921 .
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A: no

Problem: 29 of the 30 head coaches are American , with the exception being Jay Triano of the Phoenix Suns , who is Canadian .
29 of the 30 chief coaches are American , with the exception of Jay Triano the Phoenix Suns , who is Canadian .
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A: yes

Problem: He mainly produced portraits , and was repeatedly used by the Spanish , and also the Austrian , Habsburgs .
He repeatedly produced portraits and was mainly used by the Spanish and also Austrian Habsburgs .
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A:
no