The wait is over, the teams are prepped, and now it’s time to tip off the Sac-Joaquin Section girls basketball playoffs. Nevada County has three teams in three different divisions this year, and all have hopes on leaving their mark on the second season. With Bear River, Forest Lake Christian and Nevada Union all taking the court today at 7 p.m., we take a look at the first-round matchups. Who: No. 4 Nevada Union (21-4, 9-1 SFL) vs. No. 13 St. Francis (14-12, 5-5 DRL) What: Sac-Joaquin Section D-I playoffs When: 7 p.m. today Where: Nevada Union This isn’t the …