Table:
text: 1987 IndyCar season
Teams and drivers
Teams and drivers
Team Chassis Engine Drivers Sponsors Rounds
Raynor Lola T8600 Cosworth Phil Krueger Raynor Garage Door 3
Raynor Lola T8700 Cosworth Derek Daly Raynor Garage Door 4-15
Truesports Lola T8700 Cosworth Bobby Rahal Budweiser All
Truesports Lola T8700 Cosworth Didier Theys (R) Budweiser 15
United Oil March 87C Cosworth Steve Chassey United Oil / Life of Indiana 3
Walther March 86C Cosworth Rocky Moran Walther 3
WENS March 86C Cosworth Rick Miaskiewicz Pizza Hut / WENS 3

Question: What rounds did Team Walther compete in in the 1987 IndyCar season?