Table:
text: List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
18:21-23 6 January - 20 January 2  Clair  Gilbert O`Sullivan
18:24 27 January 1  You`re So Vain  Carly Simon
18:25-26 3 February - 10 February 2  Last Song  Edward Bear
19:1-4 17 February - 10 March 4  Crocodile Rock  Elton John
19:5-6 17 March - 24 March 2  Danny`s Song  Anne Murray
19:7-9 31 March - 14 April 3  Killing Me Softly with His Song  Roberta Flack
19:10-11 21 April - 28 April 2  Tie a Yellow Ribbon Round the Ole Oak Tree  Dawn featuring Tony Orlando

text: List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
19:12 5 May 1  The Night the Lights Went Out in Georgia  Vicki Lawrence
19:13 12 May 1  The First Cut Is the Deepest  Keith Hampshire
19:14 19 May 1  The Cisco Kid  War
19:15 26 May 1 Little Willy The Sweet
19:16-17 2 June - 9 June 2  Daniel  Elton John
19:18 16 June 1  Frankenstein  Edgar Winter
19:19-21 23 June - 7 July 3  Playground in My Mind  Clint Holmes
19:22 14 July 1  Will It Go Round in Circles  Billy Preston
19:23 21 July 1  Yesterday Once More  Carpenters
19:24 28 July 1  Bad, Bad Leroy Brown  Jim Croce

text: List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
List of number-one singles of 1973 (Canada)
Volume_Issue Issue_Dates Weeks_on_Top Song Artist
19:25-26, 20:1 4 August - 18 August 3  Monster Mash  Bobby Boris Pickett
20:2-4 25 August - 8 September 3  Brother Louie  Stories
20:5-7 15 September - 29 September 3  Delta Dawn  Helen Reddy
20:8 6 October 1  Half Breed  Cher
20:9-13 13 October - 10 November 5  Angie  The Rolling Stones
20:14 17 November 1  Could You Ever Love Me Again  Gary and Dave
20:15-16 24 November - 1 December 2  Photograph  Ringo Starr
20:17-18 8 December - 15 December 2  Top of the World  Carpenters
20:19 22 December 1  Goodbye Yellow Brick Road  Elton John
20:20-21 29 December - 5 January 2  The Most Beautiful Girl in the World  Charlie Rich

Question: What is the Volume:Issue for number one singles of 1973 (Canada) if Artist is Elton John and Weeks is on Top 4?