The Panthers began their 2007 campaign on the road against the St. Louis Rams. In the first quarter, Carolina pounced first with QB Jake Delhomme completing a 10-yard TD pass to WR Drew Carter. Afterwards, the Rams would tie the game with QB Marc Bulger completing a 3-yard TD pass to WR Torry Holt. In the second quarter, St. Louis would lead at halftime on a 42-yard field goal by kicker Jeff Wilkins. In the third quarter, the Rams increased their lead with Wilkins kicking a 28-yard field goal. Afterwards, the Panthers retook the lead with Delhomme completing a 68-yard TD pass to WR Steve Smith. In the fourth quarter, Carolina took control for the rest of the game with kicker John Kasay nailing a 34-yard field goal, Delhomme & Carter hooking up with each other again on a 9-yard TD pass, and Kasay wrapping up the game with a 32-yard field goal.
Question: How many scoring plays did St. Louis have in the first half?
Answer: 2