In this task, you are given a context, a subject, a relation, and many options. Based on the context, from the options select the object entity that has the given relation with the subject. Answer with text (not indexes).

Context: Tad Willoughby ( born September 8 , 1960 ) is a retired American soccer midfielder who played four seasons in the Western Soccer Alliance and three in the Major Indoor Soccer League ., The American Professional Soccer League (APSL) was a professional men's soccer league with teams from the United States and later Canada. It was formed in 1990 by the merger of the third American Soccer League with the Western Soccer League., Western Soccer Alliance was a professional soccer league featuring teams from the West Coast of the United States and Western Canada. The league began in 1985 as the Western Alliance Challenge Series. In 1986, it became the Western Soccer Alliance. In 1989, it existed for a single year as the Western Soccer League before merging with the American Soccer League to form the American Professional Soccer League in 1990., A midfielder is an association football position. Midfielders are generally positioned on the field between their team's defenders and forwards. Some midfielders play a disciplined defensive role, breaking up attacks, and are otherwise known as defensive midfielders. Others blur the boundaries, being more mobile and efficient in passing: they are commonly referred to as deep-lying midfielders, play-makers, box-to-box, or holding midfielders. The number of midfielders on a team and their assigned roles depends on the team's formation; the collective group of these players on the field is sometimes referred to as the midfield., The West Coast or Pacific Coast is the coastline along which the contiguous Western United States meets the North Pacific Ocean. As a region, this term most often refers to the coastal states of California, Oregon and Washington. More specifically, it refers to an area defined on the east by the Cascade Range, Sierra Nevada and Mojave Desert, and on the west by the Pacific Ocean. The U.S. Census groups the five states of California, Oregon, Washington, Alaska, and Hawaii together as the Pacific States division., Subject: tad willoughby, Relation: place_of_birth, Options: (A) alliance (B) box (C) canada (D) cascade (E) hawaii (F) mobile (G) most (H) nevada (I) of (J) oregon (K) pacific
oregon