Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| # | Japanese title | Rōmaji | Japanese translation | Vocalist | Episodes used |
| --- | --- | --- | --- | --- | --- |
| 1.0 | 君のそばで～ヒカリのテーマ～ | Kimi no Soba de ~Hikari no Tēma~ | By Your Side ~Hikari's Theme~ | Grin | DP001 - DP024 |
| 2.0 | 君のそばで～ヒカリのテーマ～(PopUp.Version) | Kimi no Soba de ~Hikari no Tēma~ (PopUp.Version) | By Your Side ~Hikari's Theme~ (PopUp.Version) | Grin | DP025 - DP050 |
| 3.0 | 君のそばで～ヒカリのテーマ～(Winter Version) | Kimi no Soba de ~Hikari no Tēma~ (Winter Version) | By Your Side ~Hikari's Theme~ (Winter Version) | Grin | DP051 - DP061 |
| 4.0 | 風のメッセージ | Kaze no Messēji | Message of the Wind | Mai Mizuhashi | DP062 - DP072 DP084 - DP095 |
| 5.0 | 風のメッセージ (PokaPoka-Version) | Kaze no Messēji (PokaPoka-Version) | Message of the Wind (PokaPoka-Version) | Mai Mizuhashi | DP073 - DP083 |
| 6.0 | あしたはきっと | Ashita wa Kitto | Surely Tomorrow | Kanako | DP096 - DP120 |
| 7.0 | もえよギザみみピチュー! | Moe yo Giza Mimi Pichū! | Get Fired up, Spiky-eared Pichu! | Shoko Nakagawa | DP121 - DP145 |
| 8.0 | ドッチ～ニョ? | Dotchi~nyo? | Which One ~ Is It? | MooMoo Milk and Araki-san | DP146 - DP182 |
Question:
Name the least number for  君のそばで～ヒカリのテーマ～(popup.version)
Answer:
2.0