Table:
text: 1991 Los Angeles Rams season
NFL Draft
NFL Draft
Round Pick Player Position_ School_Club_Team
1 5 Todd Lyght Cornerback Notre Dame
2 31 Roman Phifer Linebacker UCLA
4 107 Robert Bailey Cornerback Miami (FL)
5 116 Robert Young Defensive end Mississippi State
6 143 Neal Fort Offensive tackle BYU
7 170 Tyrone Shelton Running back William & Mary
8 201 Pat Tyrance Linebacker Nebraska
9 228 Jeff Fields Defensive tackle Arkansas State
11 281 Terry Crews Linebacker Western Michigan
12 311 Jeff Pahukoa Guard Washington
12 312 Ernie Thompson Running back Indiana

Question: From the 1991 Los Angeles Rams season roster, what position for the West Michigan product before 312?