Table:
text: BWF World Junior Championships
Individual
Individual
Year_ Boys_Singles Girls_Singles Boys_Doubles Girls_Doubles Mixed_Doubles
1998 Zhang Yang Gong Ruina Chan Chong Ming Teo Kok Seng Zhang Jiewen Xie Xingfang Chan Chong Ming Joanne Quay
1996 Zhu Feng Yu Hua Gan Wye Teck Chan Chong Ming Gao Ling Yang Wei Wang Wei Lu Ying
1994 Chen Gang Wang Chen Peter Gade Peder Nissen Yao Jie Liu Lu Zhang Wei Qian Hong
1992 Sun Jun Kristin Junita Santoso Kusno Gu Jun Han Jingna Jim Laugesen Rikke Olsen

Question: Which boys' doubles team took part in the 1998 BWF World Junior Championships?

Question: What was the earliest year of the BWF World Junior Championships to host mixed doubles for Wang Wei Lu Ying?